increase code coverage, general code refactoring
Added
- add cross compile file for sparc
- add tests for the compression entity
- add test for cmp_rdcu_cfg.c
- add sparc inttypes.h definitions ###Changed
- refactor function and constants names
- refactor configure check functions
- move the rdcu setup functions to cmp_rdcu_cfg.c
- update Documentation
- update Doxygen setup
Fixed
- remove memory leaks from tests