Fix $app connection in Register Method

Register method failed to get a copy of the Application for all uses.
 # [#32726] PHP notice in com_config  Thanks David Jardin
(Fix #2526)
 # [#32734] *Regression: Insert article in Frontend edit is broken: 500
JForm::getInstance could not load file  Thanks Michael Babker
(Fix #2536)
# [#32615] Regression: Module can't be deleted  Thanks Hannes Papenberg
(Fix #2543)
 $ [#32738] Component options help button always links to Global
Configuration help screen  Thanks Mark Dexter
(Fix #2541)
 $ [#32731] Added new language strings for front end com_config  Thanks
Buddhima Wijeweera
(Fix #2528)
 # [#32640] viewsite class has been removed from mod_status (J3.2)
Thanks Jurian Even
(Fix #2411)
 $ Complete TinyMCE fr.js lang file
changelog
 [#32740] Making Finder plugins language aware Thanks Hannes Papenberg
(Fix #2546)
 $ Adding ro-RO installation lang file and updating th-TH
 # [#26551] Multiple instances of script and css declarations with
enabled caching  Thanks Dennis Hermatski
(Fix #2558)
 # [#32636] Fixed issue with fields splitting causing layout issues
Thanks Peter van Westen
(Fix #2482)
 #  [#32675] Missing check in JApplicationSite causes a fatal error
Thanks Michael Babker
(Fix #2545)
 # [#32732] Update default sample data  Thanks Michael Babker
(Fix #2532)
 # Reverting #32675] as it prevents setting default language
Update joomla.php

Fixes tracker issue: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=32775&start=0
 # [#32727] Updating Joomla! RAD Layer to FOF 2.1.0 stable  Thanks
Nicholas Dyonisopoulos
(Fix #2527)
 # [#32693] com_ajax cannot access modules with dashes in their name
Thanks Matt Thomas
(Fix #2552)
 # [#32776] *helpsite url can't be localised at install time 
(Fix #2570)