MDL-10107   Fixed the definition of message providers ... it now works through files very similar to those for events and capabilities, which makes them easy to add/remove/change as necessary

Merged MDL-15892  Improved get_string - it can now handle paths as the module like 'mod/forum' or 'grade/import/txt' and will look in the right file automatically (eg forum.php and gradeimport_txt.php)

MDL-15402 implementation of repositories administration. Administrator can hide/show/sort/setup repositories. This code has been commited in order to be used by FilePicker.
Because it's doing the same thing than the filter manager, the code is similar. Some generic code need to be done (filter and repository code should use the same function, and the current generic filter lib should be refactor, at least their name). Optimization of original code should also be done if necessary.

1. Filepicker component for moodleform
2. Integrate TinyMCE and FilePicker
3. Fix show/hide bug in filepicker
4. Rewrite print_login function for ajax

MDL-15268 "Content for Quiz Statistics report table" adding img link to display graph on main page of report.

MDL-15268 "Content for Quiz Statistics report table" display blank cell if statistic is not calculatable

MDL-14204 "Content for Quiz Statistics report table - Random_guess_score" fixed random guess score for random short answer matching question.

MDL-14741: use better names for tinymce-specific javascript functions, add function to trigger the save event of tinymce on form save.

Minor code cleanup - documentation already specifies that 'moodle.php' is the default language file.

Modified lib/pdflib.php wrapper

MDL-12222 Error adding cmi.session_time in SCORM 1.3 (patch thanks to Hector Gomis).  Also - some syntax formating to stop errors in Eclipse highlighting).

MDL-15498: Completion: added support for basic completion-on-view and on grade (where applicable) to assignment, choice, data, glossary, lesson, and resource.

There was a small typo