MDL-23566 mod_lesson: Float answers so paragraphs line up correctly next to the inputs
MDL-45447 editor_atto: Highlight collapse and html icons when toggled
MDL-45472 AJAX: Whitelist prototype values form JS Error in exception dialogue
MDL-45483 mod_forum: corrects values for maxattachments in forum settings
MDL-45380 theme_bootstrapbase: Restore config override highlight
MDL-45496 core Added space to logged in as line
MDL-45130 editor_atto: Remove debugging messages for missing plugins

This is no longer required as the toolbar configuration prevents
missing plugins from being set. However, even if we do not output
any notice, we ignore missing plugins to prevent errors in case
one was uninstalled but left in the editor toolbar.
MDL-44953 theme_more: Removing odd-looking text-shadow
MDL-32543 Make sure the action and url fields of log table have correct sizes
MDL-45476 Quiz: Fixing atto on multiple choice pages
MDL-37838 block_courseoverview: fix pluaralisation logic

Note that this kind of handling of plurals is extremely limited, see:

https://moodle.org/mod/forum/discuss.php?d=85897
http://search.cpan.org/~petdance/Locale-Maketext-1.12/lib/Locale/Maketext/TPJ13.pod

However, this is a simple fix to the existing logic
MDL-44027 groups: remove some junk html
MDL-45527 task: Already deleted unconfirmed users are ignored
MDL-45474 atto_undo: Remove notice when undo stack is empty
MDL-45545 csslib: Chunking handles commas in media query definitions
MDL-45546 mod_forum: Login the user before getting its context
MDL-45477 Behat: List of steps takes too long to load, times out

Increase time limit to 300 seconds (5 minutes).
MDL-45550 Conditional availability: Missing lang string for save settings error
MDL-44634 Regression: link to user profile in comments block fails due to double URI encoding
MDL-44634 Regression: link to user profile in comments block fails due to double URI encoding