[FEATURE] Add storage drop down menu

Change-Id: I78b181ccd52d4dad2fe87f0f1dba264e860c0c8f
[TASK] storages variable got renamed

Change-Id: Ie5349e1fc9a6cdf596aa28e67755c9c9f17b0410
[TASK] Update copy right notice

Change-Id: Id1a327112a960ad172a9cfe8a54089a8ea3107a4
[TASK] Remove obsolete files

Change-Id: I5a9124a786280b47892e329b3b875a180e92f9ad
[TASK] Remove obsolete actions

Change-Id: I9bd64bdd5087d9af007144cb27b7f8ba9966ff77
[BUGFIX] PHP syntax

Change-Id: Ieae7148e84cc29969c5e9797e2594265d82c2da9
[FEATURE] Configure some BE modules to be loaded by Ajax

Change-Id: Ib029d635c883c7c07150f7e469686796d69efed6
[FEATURE] Navigation same as in a regular BE module

Change-Id: I3fb3d5c4fbf2f38cbd947bae0cb736ed2ea6bf1e
[TASK] Code clean up

Change-Id: Iec47af80d31547082c00c01ceb2446eedc33b858
[FEATURE] Improve retrieval of storage object

Change-Id: I51c18a56d8d3d09dfc43bbb66a2b9dfe8a92df04
[FEATURE] Restore file upload taking into account mulit-storage

Change-Id: I9a8b7eb709833a77ee7996d4a59211d6dd3e2185
[TASK] Re-organize files for RTE

Change-Id: I403922b78ecfc87de6e78a977fcc0def64d1e941