Add test-features script
Add clang++-3.4 compiler settings
Add g++ 4.7 compiler settings
Add g++ 4.8 compiler settings
Add MS Visual C++ 2013 Nov CTP compiler settings
Test on Travis CI
Merge pull request #1 from McMartin/SupportTesting

Support testing
Implement Size feature
Implement Empty feature
Implement Contains<Element> feature
Implement Count<Element> feature