Merge pull request #214 from eile/master

Make clangcheck target Superproject capable
Merging CMakeBBP into CMake.
Reset components for subsequent find_package
Move Doxygen-specific variable to DoxygenRule.cmake.
Merge pull request #216 from tribal-tec/master

Reset components for subsequent find_package
Merge pull request #215 from rdumusc/osg

Merging CMakeBBP into CMake.
Make tests and coverage subproject capable
Fixed Doxygit.cmake, removed doxygit target from DoxygenRule, added CommonDocumentation.cmake.
Merge pull request #219 from rdumusc/doxygit_v2

Fixed Doxygit.cmake for 'make doxygit', added CommonDocumentation.cmake.
Add dummy install target for common_documentation, as expected by Buildyard.
Merge pull request #220 from rdumusc/installtarget

Add dummy install target for common_documentation, as expected by Buildyard.
Changes needed for sub project integration
Merge branch 'master' of https://github.com/eile/CMake
Changes needed for sub project integration
Merge branch 'master' of https://github.com/eile/CMake
Fix target deps
Package found variable is internal to the dependent project
Merge branch 'master' of https://github.com/eile/CMake
Merge pull request #221 from bilgili/master

Package found variable is internal to the dependent project
Fix module path in downstream projects