Clear the cohort definition cache list when creating a cohort definit… …ion from a design import.

Prepare release 2.15.0 

Prepare for release 2.14.0 

Update version to 2.13.0 

Fixing VocabularyServiceTest (#2199) * Correcting out the milestone IDs for the 2.12.1 release * Fixing VocabularyServiceTest.prepareExecuteSearchWithQueryOptionalConceptId test

Prepare for v2.12.0 Release (#2130) 

2.11.1 release 

Updating dependencies to the latest versions (OHDSI, a few third-part… …y libraries) (#2013)

Milestones build info for 2.10.1 

2.10.0 release (#1935)