Partially implements FS#180 - Inconsistent naming - special status of

saturation. In particular, it deals with the capitalized "C" in the
capillary-pressure-saturation relationships:
entryPC -> entryPc
maxPC -> maxPc
pC -> pc
pCAlpha -> pcalpha
pCGW -> pcgw
pCNW -> pcnw
pCGN -> pcgn
pCHighSw -> pcHighSw
pCLowSw -> pcLowSw
setEntryPC -> setEntryPc
setMaxPC -> setMaxPc

Reviewed by Christoph.


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@10758 2fb0f335-1f38-0410-981e-8018bf24f1b0