REQUEST used as param may be over GET or POST (under XHR setup now) and
html_entity_decode it
fileURLPart is now fileURL and POST'd in XHR send, not part of URL to
get
newFileName needs docRoot also in path
statusArray is now statusObj
Recoding of diff handling code to work with new XHR setup and
improvements at same time re reducing use of textareas
Will eventually replace file-control.php. Carries out same file checks
etc, plus defines error info, form looparound system gone in place of
2nd XHR call on save as/new file save. All JS moved into a doNext string
to be run on success (no errors).
The only output here is the JSON response once we have carried out our
processes.
Note: Diff loading/MDT mismatch system not done yet.
