refactoring:
- move thread stuff, which is os-dependent to platform.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>
refactoring.

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>
refactoring:
- remove unittests ( important ones are at cppcore ).
- remove cppunit library
- move thread impl. to platform

Signed-off-by: Kim Kulling <kim.kulling@googlemail.com>