Additional diag in POSIX fibers

Fixed race condition in posix thread

Fixed incorrect handle EINTR as return result in posix event

Fixed deadlock in MTEvent

Move min/max/clamp to MT namespace

Fix posix event race condition

Fix race condition in posix event

Fix some posix tests

Fixed posix sleep compilation warning, updated readme.md

Rename some macro definitions, add travis.yml

Fix threads implementation to be more C++ friendly

Compilation fix

Added license information

Fixed compilation on POSIX system

Move template implementations to corresponding inl files

MT::internal namespace

Change project structure completely.

- Add doxygen documentation comment
- Rename headers
- Split single cpp file to multiple cpp files. One file = one class