Ignore files related to Cocoapods.

These include Podfile, Podfile.lock, and Pods/.
Only ignore Pods/ for CocoaPods.
Ignore everything in the Pods directory.
Testing Pods
Branches
Gem
Gem deps
Abort
Debug statements
Ignoring benchmark files
Pry for development.
Building language indexes
Deep diffing
Prettier print
Prettier print
test on all
Shellwords
Benchmark dir
Update vendor.yml: normalize.css

Added popular CSS reset Normalize.css (http://necolas.github.io/normalize.css/)
Adding test for Normalize.css