Squashed 'Core/CppMicroServices/' changes from acdf3de..13080ed

13080ed Merge branch 'hotfix-11-usResourceCompiler-CMake-variables'
c65ca80 Put usResourceCompiler variables into the cache. Fixes #11.
439d756 Bump version number to 2.1.1.
d67419e Merge branch 'release-2.1.0'
b48cc24 Bumped version number to 2.1.0.
6acb8e8 Updated tested compiler versions and platforms.
a4de109 Build release branches with Travis.

git-subtree-dir: Core/CppMicroServices
git-subtree-split: 13080ed60791940a6e0aef38fe5d89d53d97fb41