Merge pull request #129 from diegoviola/master

Add gem_home
Added: fuubar and nyan cat rspec formatter
Merge pull request #128 from torokmark/rspec-formatters

Added rspec formatters
Intro update
Added: ffaker gem

Faster Faker, generates dummy data.
added Skeptick gem
fixed ffaker's link
Merge pull request #130 from NaixSpirit/master

Added: ffaker gem, skeptick gem
Add Emoji-RSpec to test formatters
Add TestXML to Testing
Add Database Cleaner to Database Tools
Added Upton to Web Crawling
Added MetricFu to Code Analysis and Metrics
Added yymmdd to Date and Time Processing
Added Piggybak to E-Commerce and Payments
Merge pull request #131 from sshaw/master

Added a variety of gems
sort resources and categories alphabetically
modify contribution guides:
* links and categories should be sorted alphabetically
* remove trailing whitespaces
Update README.md

fixed typo in OAuth
Merge pull request #132 from deadkarma/patch-1

Update README.md