Summarize several times used mathematical expression
into a variable.

Change the assembly for the pressure related entries of the local right hand side.

Change the assembly of the local mass matrix for the pressure Mpp.

Change the assembly of the local matrix for the pressure Kpp.

- Copied ComponentTransport folder
- Renamed ComponentTransport to RichardsComponentTransport

[CMake] Don't use x64 toolset on VS 2015, fixed Conan MDd linkage.

Jenkins checkout

Update doxygen for LIE fracture models.

Having i_process.md and c_process.md results in an index listing all
processes twice.

Especially move to fracture_model folder instead of solid/constitutive_relation,
Use a symbolic link to point to fracture models from LIE processes.

Small GMSH improvements.

Cleanup compiler warnings.