- fix issue with constant renaming (issue #123 and #121)
- add CssResource.conversionMode to enable a lenient automatic conversion.
- fix Css2GssException in order to be able to catch them
code review
code review
Merge pull request #126 from jDramaix/jd_fix_constant_renaming

Fix issue with automatic renaming of constant  + add CssResource.conversionMode