themes lib MDL-24895 Multiple fixes to better handle overflow.

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.

blocks/glossary_random/block_glossary_random.php

@@ -84,6 +84,7 @@ class block_glossary_random extends block_base {
 
                 $options = new stdClass();
                 $options->trusted = $entry->definitiontrust;
+                $options->overflowdiv = true;
                 $text .= format_text($entry->definition, $entry->definitionformat, $options);
 
                 $this->config->nexttime = usergetmidnight(time()) + DAYSECS * $this->config->refresh;