Rheia: provide english default labels, and french translation
Rheia: more readable search help
Rheia: fix null pointer variable in authoring map
Hyperion: fix bug preventing objects to be stringified in console
Hyperion: wrap version utils into a singleton service for further enhancements
Hyperion: enhance file history with "uncommited changes" entry
Rheia: locally manage the "uncommited changes" history entry, and avoid fetching history when unecessary
Rheia: fix file history fetching, and previous version restoration
Rheia: update opened file content when restoring global version
Rheia: use localized label instead of modal popup for files external changes
Other: update copyright dates
Hyperion: add update date for FSItem and Executable
Rheia: fix and enhance rollback for files
Rheia: allow rules, turn rules and scripts version browsing
Rheia: non-modal external modification notification for all views
Hyperion: secure mongoose Models and Collection to prevent usage from executables
Hyperion: add ContactService to send emails to players with mailgun
Rheia: fix [object object] in logs