join conference function
working change settings
Fix file_share (server side)

* change formatting in few files
* disable file name randomizer in file_share module
Merge branch 'GUI-refactoring' of github.com:matteozajac/Jamii into server-refactoring

Conflicts:
	src/srv/http/js/modules/conference_logic.js
	src/srv/http/js/modules/file_share_gui.js
file_incomingw will notify admin too
Almost finished