Delete spurious files which have crept in.

See
http://www.fabrikar.com/forums/index.php?threads/cant-find-caneditrow-and-caneditgroup.37187
Correct transifex config file.
Update list.php

Wrong spelling of the params empty message, so the custom message is not taken into account.
csv import - importing when not overwriting: only one row was imported, subsequent rows failed as form rowid not fully reset. Refractored slightly the importcsv model
listfields min file and fix notice
added: couple of element helper methods for dealing with loose name lookups on keys which may be part of a repeat join elements data set (e.g __id / ___params) - going to be used in csv export/import
first stab at working out csv export/import of repeat element data
fixed: csv import/export for repeat join elements (e.g. db join rendered as checkbox, multiple fileuploads) when more than one value selected
adding back in db drivers for j2.5
fixed: possible notice in calendar
fixed: db join auto-complete in form, if default value set in element, this was incorrectly used in preference to the user supplied auto-complete search term
codestyle
listcsv import plugin create user class - set properties to public
fix mask parameter description not correct
fixed: in j25 js error when editing element resulted in elements not being savable
Addig simple pubic domain domain QR Code class to main libs, initially
using it to add 'display as QR code' to field element
First cut at adding "Display as QR Code" to field element.  Working in
list view, just need to add it to detail view (but had to get this
commit done so I could pull and merge another change)
Merge branch 'joomla3' of github.com:Fabrik/fabrik into joomla3
Added QR code rendering for field element in detail view.
fixed: autofill possibly not loading when editing record