Fixes to work with cmake subprojects
Point gitexternals to JB clone of CMake/common tools
Update GitExternal
Merge pull request #8 from jafyvilla/master

Fix build after cppcheck-related changes
Merge with subprojects support
Merge branch 'master' into bmaster

Conflicts:
	.gitexternals
	CMake/GitExternal.cmake
	CMakeLists.txt
Merge pull request #9 from bilgili/master

Merge subproject support
Bump CMake subtree
Fix travis
Fix clang build
Merge pull request #10 from tribal-tec/master

Fix clang build
Fix VS2012 build
Merge pull request #11 from tribal-tec/master

Fix VS2012 build
Fix vector unit test
Merge pull request #12 from eile/master

Fix vector unit test
Fix CI builds
Merge branch 'master' of https://github.com/Eyescale/vmmlib
Added missing definition for M_PI on MinGW targets.
Merge pull request #13 from seifertm/mingw64

Missing definition of M_PI on MinGW targets.
Removed deprecated settings