AAAR v2.1 beta

- Custom metadata are imported into the data mart with the purpose to be analyzed (wokflow comprised).
- CMIS Input plugin improved in performance.
- Bugfix of the AAAR_Extract.
- Bugfix of the port of the installation dashboard.
- Bugfix of the postgresql extraction on a CMIS query.
Merge pull request #128 from fcorti/patch-6

AAAR v2.1 beta