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.

AMOS START
 MOV [blockname,block_glossary_random],[pluginname,block_glossary_random]
AMOS END

MDL-20700 coding style cleanup - cvs keywords removed, closign php tag removed, trailing whitespace cleanup

minor change: glossary concept as h3 not h2 to match subheadings in other blocks styles and to be lower than block heading h2 for accessibility

MDL-10132 improved random glossary blocks - now uses modinfo too + fixed some notices; merged from MOODLE_19_STABLE

MDL-12945 a slightly bigger patch for performance in recent activity and various group related issues + some other fixes - see list of subtasks in tracker; merged from MOODLE_19_STABLE

another course (and cause breakage)

random glossary block

Merged from MOODLE_19_STABLE

$limitnum parameters in all the get_recordXXX() functions. MDL-7167

Merged from MOODLE_17_STABLE

Merging from STABLE:

Fix for bug 3793:

Prevent warning message when configuring a glossary_random block in a
course which has no glossaries.

I broke this with my last commit, fixing.

Scott Elliott managed to diagnose bug 2784 (and 2990 -- duplicate) and find
the solution. All hail! :)

Changed a magic number to DAYSECS and some instance_config_save() calls to
the recommended instance_config_commit().

Correcting whitespace, modernizing a bit, removed one notice.

Made some major cleanups to the block for efficiency, robustness
and Postgres compat.

It seems to work for me OK but could use some good testing!