Started work on implementing UnrestrictedHartreeFockSolver
Removed local project file
Reverted mixFactor in HartreeFockSolver to get back working tests
Made the requirements in the system tests stricter
Most of the implementation of UHF complete, but failing on H2 test
Working UnrestrictedHartreeFockSolver with tests for H2 and H2O
Working UnrestrictedHartreeFockSolver. Added development.cpp tests.