Site updates 0.27

Created 11/6/2010, updated 5/18/2017

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Just pushed out an update. The real motivation for this update was that I wanted to deploy Wikitext version 2.1.1 which contains a bug fix that I need (it really should have been a commit of its own but in an oversight it got squashed into commit 5883320, "Add stubs for Git::Blob and Git::Tree implementations"):

70297a8 Update to Wikitext 2.1
1239689 Update to jQuery 1.4.3
a395dde Update to Haml 3.0.22
121f6e0 Update to Capybara 0.4.0
5883320 Add stubs for Git::Blob and Git::Tree implementations
88e0e73 Add Git::Hunk spec file
8d0417d Set up autoloads for Git::Blob and Git::Tree