add ruby-forum and taiwan forum
Merge pull request #2 from tetsuo692/master

add railsapi.com
Added dotenv gem to settings
add tools category: http://rubular.com
add Hello World: try ruby online
Merge pull request #3 from johnrees/patch-1

Added dotenv gem to settings
move video upward
add ruby5
add jobs category
add codecademy.com(training), peepcode(video)
use redd.it shortlink
add rubydaily.org in news