Marked tutorial as draft.
Changed comment wording in mutex.h and thread_specific_storage.h.
Merge branch 'development' of https://github.com/siemens/embb into development
Merge branch 'development' of https://github.com/siemens/embb into development
Merge branch 'development' of https://github.com/siemens/embb into development
Replaced shebang /bin/bash with /usr/bin/env bash in scripts.
Modified classification of tutorial.
Renamed COPYING.TXT to COPYING.md.
Updated README.md.
Created initial version of CHANGELOG.md.
Added EMBB_UNUSED_IN_RELEASE macro in thread_specific_storage-inl.h to avoid warning about unused variable.