-consistent storage of flux directions in fluxdata -> also applicable for adaptive grids.
	- central in PE for the rare case of potential = 0
	- improve future scalability for 3p3c model
- Introduced flash solver (as had been intended already for dumux 2.1) and removed methods from fluidstates
- properties put in groups
discussed with Philipp

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tests to changed structure



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   - o-method and l-method implementations of a full two-phase pressure
     equation



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   - split into o-method and l-method implementations



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initialization of constant viscosities and densities from the
constructor to the initialization function

authorized by Benjamin



git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8872 2fb0f335-1f38-0410-981e-8018bf24f1b0

The whole Forchheimer thing: iterativly reviewed by Bernd.


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8865 2fb0f335-1f38-0410-981e-8018bf24f1b0

- incorporate the minus sign of the darcy relation only at the velocity calculation. I.e take it away from kGradpNormal.
Therefore, >< for upstream decision has to be switched: in boxdarcyfluxvariables and in the smooth upwinding of mpnclocalresidualmass
- correct some spelling
- split the main body in two function: calculate gradients and calculate velocities. 
- calculate volumeFlux from velocity instead of calculating it from scratch: less error prone. 

boxelementvolumvariables: 
set the evaluation point to zero. This is only used for semi-smooth methods. If this is not set to zero, strange segfaults may occur because the evaluation point is *not* set

*Introducing* boxforcheimerfluxvariables: 
It is now possible to calculate velocities according to the Forchheimer relation in stead of exclusively the Darcy relation. This flux calculation can be used without changing the actual residual calculation: just derive the fluxvariables from boxforchheimerfluxvariables (or use them directly as your fluxvariables)

The only other necessary ingredient for using the Forchheimer relation is putting a forchheimer coefficient into your spatialparameters class (see the forchheimer tests in test/boxmodels/mpnc)

mpncfluxvariables: 
derive from Basefluxvariables Property in stead of DarcyFluxVariables. This way the velocity-potentialGradient relation can be chosen in the problem. 

mpncproperties: 
introduce new Property for Darcy / Forchheimer relation switch

mpncfluxvariables:
derive from  a property allowing for the setting of velocity relation (Darcy/Forchheimer) in the problem

mpncvolumevariables, mpnclocalresidualmass, mpncwritercommon:
correct typo / naming

simpleh2o: 
added heatcapacity function, 
removed ";"

text/boxmodels/mpnc: 
added two tests for the forchheimer relation. One test for single phase flow and one test for two-phase flow.

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8864 2fb0f335-1f38-0410-981e-8018bf24f1b0

Verified as 0.1Mpa: 372.755918611338; 1Mpa: 453.035632391467; 10Mpa: 584.149487998528; reviewed Phil

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adaptive methods mapping the solution to the new grid now pass the element instead of the problem (because the cell volume is required to map volume-depenedent primary variables such as total concentration). This has no influence in stable because both arguments are only used by compositional adaptive models.
okayed by Markus

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8855 2fb0f335-1f38-0410-981e-8018bf24f1b0

Fixed Impet iteration for compositional models using more than one transported quantity: iterative transport vectors are now initialized with model-specific transport vectors for correct size.
reviewed by markus

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8854 2fb0f335-1f38-0410-981e-8018bf24f1b0

property of the mpfa properties to avoid bugs if a problem still uses AluCubeGrid



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replace all remaining occurrences of GET_PROP_TYPE(TypeTag, SpatialParameters) by GET_PROP_TYPE(TypeTag, SpatialParams)

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reduce testing time. Adapt reference solution correspondingly. Change
grid file name.


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readability of initial condition.


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solution.


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CMakeLists: copy input files to individual test directories instead of a global references directory. Therefore, the ParameterFile argument has not to be given anymore to the test calls.

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8834 2fb0f335-1f38-0410-981e-8018bf24f1b0

Different grouping of some parameters also required the modification of a
problem file.


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"PrintParameters", "PrintProperties".


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conventions.


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parameters. In particular, 
- Fixed reading of the additional format "--group-name.option-name=
  VALUE" from the command line. 
- Fixed capitalizing the first characters of parameter names
  "ParameterFile" and "Restart".
- Changed the handling of default input files. Before, one had to
  specify the "ParameterFile" option on the command line, as soon as a
  command-line option was given. Now, if the "ParameterFile" option is
  not specified, it always tries to open the default file. If this
  file cannot be opened, program execution simply continues, to
  allow starting programs without parameter file. If the "ParameterFile"
  option IS specified, but the file cannot be opened, the program
  terminates.
- If a parameter is requested that is not in the tree, the parameter
  list is printed before throwing the exception. 
- Improved the usage message and the comments. 

Reviewed by Philipp.


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corrected small typo


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Reverted Yasp Grid change since it only seems to cause an error for gcc 4.5.2 and works for all other tested compilers (see bernds mail).
Reviewed by Markus

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splinecommon: remove superfluous and erroneous special treatment of the "get" functionality for older compilers. Meanwhile, Dune takes care of that.

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