Added creation of test_include and test_lib in env directory.
Initial commit of gmocktest. Has boost strings replaced.
Added gmocktest to expected conf files.
Swapped tar to unzip to reflect gmock's filetype
Added build for gmocktest
Removed install function and all calls to it -- installation is not necessary with gmock.
Created symbolic include/lib links for external test libraries.
Added check when env linking so we don't attempt to create symbolic links which already exist.
Added test folder and a placeholder CMakeLists