Merge branch 'master_MDL-32227_add_plagiarism_api_support_to_workshop' of git://github.com/kanikagoyal/moodle

Conflicts:
	course/reset.php

The quiz does not really support outcomes, but even so in 1.9 you could
select outcomes on the quiz edit form, and apparently this was useful to
some people, therefore we should re-enable it.

+ Right align frontpage course list
+ right align activity and resource titles
+ Two Columns on/off slider fix
+ Right align content in Blocks
+ Fix checkbox question types in quiz
+ Right align titles of fields in Forms
+ minor ui tweaks

Since we were so close to perfection.

MDL-13629 grade: added some unit tests to clarify the handling of droplow and improved apply_limit_rules()

Conflicts:
	lib/db/upgrade.php
	version.php

This is required for cases when code directly calls set_form_changed as
happens with the filepicker.

MDL-34468 scorm: Replace all instances of get_context_instance() with respective context_XXXX in mod/scorm

MDL-34468 quiz: Replace all instances of get_context_instance() with respective context_XXXX class in mod/quiz

MDL-34468 survey: Replace all instances of get_context_instance() with respective context_XXXX class in mod/survey