* Added feature to compiler test cases with more than one compiler. Added clang as first examples. Fixed test cases to work with gcc * Added acceptance tests for clang x64, adjusted Travis scripts (now runs also unittests), install_cross_compilers installs also clang. * Skips test for cwe415, which is broken on clang + Ubuntu 16.04 * Added feature to compiler test cases with more than one compiler. Added clang as first examples. Fixed test cases to work with gcc * Added acceptance tests for clang x64, adjusted Travis scripts (now runs also unittests), install_cross_compilers installs also clang. * Skips test for cwe415, which is broken on clang + Ubuntu 16.04 * Added change to CHANGES.md * Fixed test issue: test for json output was pre-compiler suffix.