MDL-41245 fix redirect and missing string when cannot automatically delete uninstalled plugin
MDL-41249 assign: Fix incorrect gradingform restore step

The mapping in the previous patch was wrong - mod assign uses
the area "submissions" but the itemid is the grade->id not the submission->id.
Merge branch 'w35_MDL-41245_m26_pluginuninstall' of https://github.com/skodak/moodle
MDL-39682 Forms, File Picker, Themes: Fix alignment of Form's Labels and Input elements in RTL mode (theme/clean)
MDL-41213 theme_bootstrapbase: fixed license filemanager overflow
Merge branch 'MDL-39682_master' of https://github.com/nadavkav/moodle

Conflicts:
	theme/bootstrapbase/style/moodle.css
Revert "MDL-40752 - Login panel should be placed on the right side, in RTL mode (theme/clean, bootstrap)"

This reverts commit 48e5db7428dfaaca81e326688b29fdc02dbf1566.

Conflicts:

	theme/bootstrapbase/style/moodle.css
Revert "MDL-39871 Find a solution to handling RTL switching in CSS"

This reverts commit 2e68b1254f4613c679bc7338a097d63f09b4089e.
This reverts commit 5b2ed8b5ff3160e85c6b7135739334f648535501.
MDL-40931 theme_bootstrapbase: fixed missing ! when including html5shiv
ie9 svg compatibility fixes
weekly release 2.6dev
MDL-39959 events: Add unit tests for event course_module_created
MDL-39959 events: Add event course_module_updated
MDL-39959 events: Add event course_module_deleted
MDL-39959 events: Replace legacy mod_created event with course_module_created event in course/dnduploadlib.php
MDL-39959 events: Fixup after review

Code style fixes.
Added validations for various fileds in module created, updated and deleted events.
Added more unit tests to test the added validations.