MDL-37966 Assignment: put upgraded modules where the originals were
MDL-30940 form: Mutiple select work correctly without any selection
MDL-38807 grades: missing setType() calls

In grade category, item and grade forms. Most of these
values are floats handled by format_/unformat_float functions, the
text fields are handled using format_text().
MDL-38807 missing setType warnings on grade screens
MDL-39298 - gradebook: Added more delimiters for uploading and downloading the gradebook as a csv file.

New delimiters added: colon, semicolon
MDL-39192 mod_forum: do not need to check the posting threshold when editing a post
Automatically generated installer lang files
MDL-39355 JavaScript: Correct zIndex for tooltip
MDL-39270 lesson: Reformat module settings form
MDL-39366 book: Section appearance in book module settings
MDL-38440 WebService get_contents doesn't return the full text of labels
MDL-38888 Publish forms display setType warning
Merge branch 'MDL-38888-master' of git://github.com/mouneyrac/moodle
Merge branch 'MDL-39341-master' of git://github.com/damyon/moodle
MDL-39341 boostrapbase: fix some missing renames
Merge branch 'MDL-39278-master' of git://github.com/damyon/moodle

Conflicts:
	theme/bootstrap/style/generated.css
	theme/bootstrap/style/moodle.css
	theme/bootstrapbase/less/moodle/recess.txt
	theme/bootstrapbase/style/generated.css
MDL-39278 rebuild moodle.css with everything in place
Merge branch 'install_master' of git://git.moodle.cz/moodle-install
on demand release 2.5beta+
MDL-37845 multichoice qtype: Fix some display issues.

1. Better handling of multi-line choices in the correct answer display.
2. Remove dangerous CSS that is no longer needed.