Squashed 'prezto/' changes from 76fc07b..2ebdbdc

2ebdbdc Update external completions
eea1eea Update external history-substring-search
4e9553e Update external syntax-highlighting
a57d545 Update copyright
cdc4f36 Fix heading level for "zpreztorc"
50edc45 [Fix #503] Prefix rails aliases with 'bundle exec'
b1abe7a Warn that Cygwin is not supported
d368d05 Remove utility aliases for Cygwin
254b7c3 [Fix #324] Add configurable terminal window and tab title formats
d19c349 Unsufix internal functions
9f60ddb Prefix internal functions
5b4dcea Simplify auto-titling
b98c746 Rewrite terminal auto-title
f6bd76a Remove unused GNU Screen window number format
d877617 [Fix #362, Fix #384] Set Mac OS X 10.6 terminal window title

git-subtree-dir: prezto
git-subtree-split: 2ebdbdcff5e20a95812bf8ee3762dd80cbf46239
Prezto updated
firefox-nightly