New version of Clara.
- updated command line setup with new API
- updated STITCH macros
- force embedded Clara to use Catch’s console width (but restore it after)
- remove command line tests (as these have now moved into the Clara project)
Build 28
- new version of Clara
- removed command line tests
Merge branch 'master' of github.com:philsquared/Catch

# By David Beckley
# Via David Beckley (1) and Phil Nash (1)
* 'master' of github.com:philsquared/Catch:
  Highlight block as C++