Merge pull request #73 from Yonghui56/TH2C

Th2 c
adding the class that taking care of the local assembly of the CMP_2P2C multiphase flow process
linking to the right local assembler class.
move the definition of local EOS problem to the UserModule class.
setting the initial conditions right.
Merge pull request #4 from HaibingShao/TH2C

Th2 c