Petr Škoda authored Apr 10, 2013 and Damyon Wiese committed Apr 15, 2013

This patch is based on work by Gareth J Barnard, Pau Ferrer Ocaña (crazyserver) and others.

Only a problem when formatstringstriptags is disabled

This should allow us to switch page layout on admin pages and elsewhere before $OUTPUT->header() call.

MDL-28135 general Updating all hardcoded "docs.moodle.org/en/Development:" type doc links to "docs.moodle.org/dev/"

MDL-26265 use cm_info in PAGE->cm because it has more useful information; add context property to cm_info

Major tasks undertaken in this patch:
* New format_text argument, overflowdiv.
* New page layout Report.
* Review of all format_text calls.
* Added support for the report layout to all themes.
* Changed forum post display from tables to divs.

MDL-16723 automatic redirects to https when loginhttps enabled - this solves accidental usage of http version + it also solves recent navigation regressions + fixed regression from PAGE conversions + deprecated old httpsrequired() and $HTTPSPAGEREQUIRED

navigation MDL-24129 showing the hidden regions when moving blocks. This also adds the 'blocks-moving' class to the body as an indicator for themers.

MDL-23797 improved detection of PAGE->context abuse andproblems; fixed incorrect use of this->context instead of this->_context; missing PAGE->context does not throw fatal error any more