changed order of requirements in _docs/utilities/requirements.txt
#557 Fixed
small indentation fix
#528 Fixed
Removing obslete lines and indentation fixes
Cache fixes and omnipresent moderator indicator and first draft of pending sounds page and indicator

Related to both issues #558 and #528
Fixed #558

Call to action for users on pending sound pages, when they should reply
back on a sound ticket.
Show message when there isn't any pending sounds
Merge remote-tracking branch 'origin/nuno'

Conflicts:
	tickets/views.py
Merging with nuno branch and refactoring some code