Build/source updates for Groovy 2.2.x - EUCA-8418
Remove use of deprecated bouncycastle PEMReader - EUCA-8419

Use PEMParser instead of PEMReader which is removed in 1.50.

EUCA-8419
Remove unsafe caching from reporting account/user DAOs - EUCA-4528

EUCA-4528
Merge remote-tracking branch 'origin/dev/sjones/EUCA-8418' into testing
Merge remote-tracking branch 'origin/dev/sjones/EUCA-8419' into testing