Added CMakeLists.txt.
Fixed regex in CMakeLists.txt so that MPI detection works.
Add verbose option to CMakeLists.txt.
Check for MPI/HDF5/PHDF5 wrapper using FC environment variable.
Add LINK_FLAGS to openmc target.
Ability to build with PETSc by setting PETSC_DIR environment variable.
Set output directories in CMakeLists.txt.
Use include_directories instead of manually adding -I flag.
Add installation of executable, scripts, files.
Merge branch 'develop' into cmake

Conflicts:
	src/Makefile
Merge branch 'develop' into cmake

Conflicts:
	src/Makefile
Install statepoint.py script using distutils.
Updated installation instructions for using CMake.
Define GIT_SHA1 in header file.
a custom source can now be read in from file
message written when reading in source
Copy executable rather than moving when running run_suite.
Convert test_compily.py to use cmake.
Fix for PETSc not finding libfblas and libflapack.
Add build/ directories to .gitignore.