Make compatible with php5.3
Merge pull request #383 from itblee/master

Translation EN-DE
Merge pull request #387 from Tigrouzen/patch-1

Make compatible with php5.3
Some methods in operation.js now returns this.
Adds user profile pictures support.
Adds profile pictures support in empathy with peerjs.
Fixes some bugs in empathy.
Peer IDs are now shorter.
All connections are now destroyed when disconnecting are Peerjs empathy connection, not just the one to the server.
Merge branch 'master' of github.com:symbiose/symbiose
Fixes #384.
Adds profile picture support in "System settings > Me".
Fixes a bug with WebSocketServer.
Fixes a bug with Firefox Marketplace app icons.
Fixes #377.
Fixes #388.
Adds an empty config file for managers.
Fixes #393.
Adds transifex support to Gruntfile.
Adds Polish translations.
Fixes #381.
Updates dependencies. Adds fsi/acl.