Coded the initial HP model, added GTEST and appropriate CMakeList.txt

• We coded the initial 3D HP Model
• Added GTEST
• CListMake.txt files for testing
• Added one basic EQ test (checking if 1 is equal to 0)

TODO

• Fixing CListMake and tests, so we can unit test our 3D HP model methods.

requested review from @au667387

assigned to @au667387

approved this merge request

approved this merge request

mentioned in commit f9461e3b

merged