Create working version of fetal motion correction.
Merge branch 'master' of github.com:FNNDSC/chrisreloaded
anonymization and file extension to be enhanced

anonymization tries to create a directory (might not be allowed)
files extension should handle properly the case where there is NO file extension
pacs push default target is chris prod (10502)
Also sanitize ^.
Merge branch 'master' of github.com:FNNDSC/chrisreloaded
Add a Notes tab.
Integrate WYSIHTML5 editor inside the note tab.
Return nothing if a non-existent file is requested through the API.
Read existing notes from the server via the API.
Saving mechanism for notes in place.
Modify the save button if there are unsaved changes and also warn the user if navigating away from chris and the notes are not saved.
Merge branch 'notes_for_all_feeds'
Activate 'droppable' property for feed icons.
Detect which feeds can be merged when dragging/dropping and only enable these as valid targets.
Hook up the API to merge two feeds.
Re-activate droppable feeds whenever new content arrives.
Merging of feeds works.
Auto-refresh the file browser after merging two feeds.
Always use the job_id as a subfolder even in non-batch mode.