Add github-style backgrounds to code blocks
A previous commit (9698018e) broke redirect functionality; this fixes it.
Lighter Heading Border

This makes the heading line the same color as wikimedia's.
Fixed links on activity page:

 * Links for pages were broken (by 0548c1a7) because the ".page" wasn't being stripped from the URL
 * Links for binary files now link to the appropriate revision (and handleAny now checks the revision parameter)
Merge pull request #431 from duairc/fix-activity-page-links

Fixed links on activity page
Merge pull request #429 from duairc/fix-redirects

A previous commit (9698018e) broke redirect functionality; this fixes it.
Merge pull request #430 from joehillen/heading-border-color

Lighter Heading Border
Merge pull request #424 from joehillen/code-backgrounds

Add github-style backgrounds to code blocks
global replace spaces, make regex case insensitive
allow for patterns containing punctuation, metacharacters
Added Textile help.  Closes #434.
Merge pull request #432 from wcaleb/searchjs-tweaks

Improvements to search.js
Revert "allow for patterns containing punctuation, metacharacters"

This reverts commit 10dc85643ca6348fd3fee615d6a2f227fe607012.

I think I prefer the less misleading word boundary behavior.
Added DocBook and Org markup help.
Updated CHANGES.
corrected mathjax CDN URL
github login
updated README for githulogin and comment in default config
configuration in several files (to separate usual configuration from oauth2 secret)
hlint ameliorations