reversed list of overview, files, tip list
restored log functionality, removed by mistake, enhanced log exception report
enhanced unitTest in notification
solved conflict, tested patch, fixed issue https://github.com/globaleaks/GlobaLeaks/issues/613
fixed wrong keyword in Comment default notification template
Add some code useful for debugging memory leaks and such

You just do a killall -3 python and BOOM, you got some pdb.
enforced node_update function with stronger checks
addressed issue https://github.com/globaleaks/GlobaLeaks/issues/614

* implemented permission check on postpone (minor vulnerability - was a clinet side check)
* implemented new error (Forbidden to extend date)
extended Tip unitTest with expiration date checks
applied corrections to commit https://github.com/globaleaks/GLBackend/commit/9c3937d4cf9ce1172bdbe703cb991ed80cd9c719
Merge branch 'bugfix/614_comment_suppression' into devel

* bugfix/614_comment_suppression:
  applied corrections to commit https://github.com/globaleaks/GLBackend/commit/9c3937d4cf9ce1172bdbe703cb991ed80cd9c719
  extended Tip unitTest with expiration date checks
  addressed issue https://github.com/globaleaks/GlobaLeaks/issues/614
  enforced node_update function with stronger checks
  Add some code useful for debugging memory leaks and such
  fixed wrong keyword in Comment default notification template
  solved conflict, tested patch, fixed issue https://github.com/globaleaks/GlobaLeaks/issues/613
  enhanced unitTest in notification
  restored log functionality, removed by mistake, enhanced log exception report
  reversed list of overview, files, tip list