first commit for CDF core-refactor:
- getting CDF to compile against CPF-REFACTOR-SNAPSHOT
- re-using CFP’s Packager (WIP); removed (now) redundant packing classes (CssMin, JsMin)
- replaced usages of (old) PentahoRepositoryAccess with the (new) PentahoLegacySolutionAccess
- re-using CPF’s util helper methods; removed (now) redundant helper methods in CDF
- applied code-style check on all classes that have had code changes