MDL-43319 phpdoc: fix too much ham consumption by developers
MDL-45359 JS: Only change mask zIndex on modal dialogues

When dealing with a non-modal dialogue within a modal dialogue, we should
not update the z-index of the underyling maskNode as it does not belong to
this dialogue.
MDL-44174 theme_clean: Updating information in readme file
MDL-45342 book: Automate MDLQA-2423 - A teacher can create book chapters and subchapters
MDL-34904 lti: Fix notice while using lti in frontpage
Merge branch 'MDL-44174-26' of git://github.com/FMCorz/moodle into MOODLE_26_STABLE
Merge branch 'MDL-45342-26' of git://github.com/ankitagarwal/moodle into MOODLE_26_STABLE
Merge branch 'MDL-43319-26' of git://github.com/danpoltawski/moodle into MOODLE_26_STABLE
Merge branch 'MDL-45359-26' of git://github.com/andrewnicols/moodle into MOODLE_26_STABLE
Merge branch 'MDL-34904-26' of git://github.com/ankitagarwal/moodle into MOODLE_26_STABLE