Added whenever schedule.rb for automatic git repo updates, and keepin…

…g system in sync

Gemfile

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+source :rubygems
+
+gem "rake"
+gem "whenever"

Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    activesupport (3.1.3)
+      multi_json (~> 1.0)
+    chronic (0.6.6)
+    multi_json (1.0.4)
+    rake (0.9.2.2)
+    whenever (0.7.0)
+      activesupport (>= 2.3.4)
+      chronic (~> 0.6.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rake
+  whenever

schedule.rb

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+# Use this file to easily define all of your cron jobs.
+# Learn more: http://github.com/javan/whenever
+
+every 10.minutes do
+  # Fetch all remotes for indexed git repos, and fast-forward if possible
+  command "git_index --rebuild && git_index --update-all"
+  # Update dotfiles (set up new symlinks, update generated bashrc, git config, etc.)
+  command "cd $DOTFILES_PATH && OVERWRITE_ALL=true rake install"
+end
+
+# Update Travis CI build statuses for indexed git repos
+every 2.minutes do
+  command "git_index --rebuild && NOCD=true git_index --batch-cmd git_update_travis_status"
+end