Site updates 0.74

Created 11/14/2012, updated 5/18/2017

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0026cf2 Make prompt unselectable in shell-syntax "pre" elements
d2c39cc Add new version of libv8 gem to vendor/cache
958619a Update to Ruby 1.9.3-p327
e0fe4b1 Ruby 1.9-ize Hash syntax in the Gemfile
0dd0446 Update to Rails 3.2.9
eca85b3 Update bundle, except for Factory Girl