FLUID-5470: Added EPUB 3 to table of contents.
FLUID-5470: Removed colon from link for epub:type.
FLUID-5470: Fixed capitalization on ToC link.
FLUID-5470: Added missing Handling Scripts link to ToC.
FLUID-5470: Changed Resources link to EPUB 3 Resources
FLUID-5477: Updating mediawiki to 1.19.17, removing some old unused stuff.
FLUID-5477: Removing un-used extensions
FLUID-5477: Removing more un-used extensions
FLUID-5477: Updating the Widgets extension
as per instructions found at http://www.mediawiki.org/wiki/Extension:Widgets
FLUID-5477: Updating mediawiki to 1.19.18
FLUID-5471: Upgrade Infusion to 1.5 and update UIO to latest version
FLUID-5471: Fix some styling for new UIO
Merge branch 'master' into FLUID-5477
Merge branch 'master' into FLUID-5471
FLUID-5488: Add 'Metadata' to the table of contents
Merge branch 'master' into FLUID-5488