Merge pull request #283 from justin-time/master

Add CMAKE_SKIP_RPATH and CMAKE_INSTALL_LIBDIR to PACKAGING.md
Add GNUTLS_INCLUDE_DIR to include path in qt-certificate-addon
Use C++11 pointers for memory management
Remove unnecessary variable crows
Automatic merge of Transifex translations
Add user agent to pong request
Add basic Windows runtime version support
Automatic merge of Transifex translations