Compiler flags for Clang cleanups
Set policy and cmake version specific to MacOS

@axelstudios you might want to cherry pick this since develop is
currently broken for standard linux installs
Move to OSCore for build folder.
Update more OpenStudioCore to OSCore
More OpenStudioCore->OSCore changes
Merge remote-tracking branch 'origin/develop' into BuildFolderNameCleanups

Conflicts:
	openstudiocore/CMakeLists.txt
Revert to cmake 2.8.11 requirement
Merge remote-tracking branch 'origin/develop' into BuildFolderNameCleanups
Fix line endings
Merge branch 'develop' into BuildFolderNameCleanups
Updating version to 1.5.1
Help find git/patch if installed only for current user
Merge branch 'develop' into 79953916-EnableCI
Merge remote-tracking branch 'origin/BuildFolderNameCleanups' into 79953916-EnableCI