Merge branch 'hotfix/0.2.1'
* Fixed a error, which causes db connections not be closed after usage

Signed-off-by: Daniel Marius Bub <daniel.bub@thebub.net>
Merge branch 'develop' into hotfix/0.2.2

* develop:
  * Fixed a error, which causes db connections not be closed after usage
  * Updated the common submodule
  * Added data analysis actions for credit cards, dates and email addresses
  * Added abstract base class for analysis actions * Changed the order of request invoking... First requesting the document, second pass data to analyzation * Added checks for HTTPS before invoking analysis
Merge branch 'hotfix/0.2.2' into develop