- Refactoring, cleanup. 
- fix CDO resource resolver, to use correct DataProvider. 
- Errors in expression fixtures data retention. 
- Result processor remove values bug. 
- Retention engine deletes old cap/util values for the smallest interval
range retention period. (15 minutes). 
- trace execution logic exceptions.
- Refactoring / change name of options file.
refactoring commenting.
http://work.netxforge.com/issues/337
catch Object Not Found in export module.