Outline support for MYSQL #785
Merge branch 'devel' of github.com:globaleaks/GLBackend into devel

* 'devel' of github.com:globaleaks/GLBackend:
  removed debug prints
  added streamin AES encryption for uploaded files
  _____      //  +  \     ||  RIP  |     ||       |     ||       |      Bug    \||/\/\//\|/     one of them
  verified generation and fixed some bugs