Footer should not be in #pjax_container, because the footer is not rendered
for non PJAX requests.

Empty the popup container and show loading spinner
on-load hide the spinner and show the content

Multilanguage Support via gettext

- added gettext encapsulations to all texts i thought necessary
- added fallback function for the case that the gettext extension isn't loaded
- added browser language detection
- added gettext to the list of optional extensions in setup
- rewritten some of the texts to use sprintf instead of appending strings
- added german translation file
- removed mark_overdue-confirm from cannedresponses.inc.php

extend multi language support and a fex fixes

- Better detection of translation files
- Added functionality to redirect language codes (see redirecting
language codes)
- Ticket Status can be translated
- The Datepicker can be translated
- Extended functionality of 'testlang.php' to show what language code is
used to translate

Forgotten to apply a patch from RC5 to RC6

- Forgotten to change $var to $vars in line 380 of class.mailfetch.php
- Removed unneeded comment

Added php_gettext as primary translation engine

- Added php_gettext support (thanks to Danilo Segan and Steven
Armstrong)
- php_gettext is now the primary translation engine
- Extended language detection functionality

Add error/misconfiguration checks and fix undefined variables

Link to org & user landing pages & kill pjax on internal pages

This will simplify where PJAX needs to be disabled by simply including the
navigation as part of the PJAX response.

This happens when upgrading from 1.6, the company information does not yet
exist (neither do the form tables)

Properly escape company name for display

Add overlay + please wait spinner on form submit