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-45514 behat: Fixed should_not_exist timout param
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-41383 theme: filepicker zoom resiliency

Fixed an issue that broke the file picker on bootstrapbase when zooming in and out.
MDL-32543 Make sure the action and url fields of log table have correct sizes
MDL-45522 quiz Check that sumgrade is valid before saving.
MDL-45523 quiz Cleanup duplicate question instances.
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
Merge branch 'MDL-45522_m27' of https://github.com/merrill-oakland/moodle into MOODLE_27_STABLE
Merge branch 'MDL-45523_m27' of https://github.com/merrill-oakland/moodle into MOODLE_27_STABLE
Merge branch 'MDL-41383-27' of git://github.com/jethac/moodle into MOODLE_27_STABLE
MDL-44027 groups: remove some junk html
MDL-45527 task: Already deleted unconfirmed users are ignored