MDL-45046 output: reviewed standard/base layouts and converted where a better option was available
MDL-45186 mod_quiz: Some RTL improvements on quiz edit page
MDL-45124 dndupload: Lowercase types when comparing

IE helpfull uses a mixed-case version of 'Text' which fails the string
comparison. All other browsers use lowercase for their mime-types.
Automatically generated installer lang files
Merge branch 'MOODLE_26_STABLE' into install_26_STABLE
Automatically generated installer lang files
Merge branch 'MDL-45186-26' of git://github.com/FMCorz/moodle into MOODLE_26_STABLE
Merge branch 'MDL-45124-26' of git://github.com/andrewnicols/moodle into MOODLE_26_STABLE
MDL-45096 block_navigation: Check for existence of the siteadminbranch before modifying it

Prevents JS errors in some themes when admin block is hidden
Merge branch '45046-26' of git://github.com/samhemelryk/moodle into MOODLE_26_STABLE
Merge branch 'install_26_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_26_STABLE
weekly release 2.6.2+
MDL-45248 course: fixed assumptions when logging a course view