Changes provided by Darko Miletic and Sam Chaffee.
* Fix problem with CC import not detecting a CC package. (Sam)
* Fixed Common Cartridge not importing FIB answers. (Sam)
* Fix to CC export so that short answer pattern matching question
in a quiz does not prevent the entire quiz from exporting. (Sam)
* Fix notice about missing index when there is no answer-specific
feedback in short answer question during CC export. (Sam)
* Fixed Japanese characters being incorrectly encoded (garbled)
on Common Cartridge import. (Sam)
* Changed import of CC discussions to create 'Standard General'
forums in Moodle. (Sam)
* Fix problem with question name being replaced with question
text on CC import of exported Moodle questions. (Sam)
* Fix CC 1.1 multiple choice question import having no correct
answers. (Sam)
* Fixed problem with multiple choice, multiple answers allowed
questions not exporting correct answers to CC. (Sam)
* Removed duplicate method. (Darko)
* Implemented fix that skips quiz export if it contains
non-exportable question. (Darko)
* Fixed: Common cartridge export is extremely slow when dealing
with lot of more than 200 files. (Darko)
* Added support for basic roles support in common cartridge. (Darko)
* Implemented folder resource export. (Darko)
* Minor fixes to adjust to the standard. (Darko)
* Added support for exporting simple fill in the blank
(shortanswer without wildcards in Moodle). (Darko)
* Added support for exporting essay question. (Darko)
* Added support for true/false export. (Darko)
* Added support for exporting multiple response questions,
added also category information into question metadata
during export (Darko)
* Added support for correctly importing multiple response
questions. (Darko)
