depth api
refactor routes.rb
Update currency doc

And give it some format love.
Merge pull request #129 from peatio/update-currency-doc

Update currency doc
fix typo
Update deploy-ubuntu.md and add javascript install instructions
Got rid of therubyracer, ExecJS do the work
User can view the closed tickets.
When ticket got reply by admin, it should notify the author.
When author reply a ticket, the admin should get the notification.
When user creating a ticket, it should nofity the amdins.
Merge branch 'master' into kyc_verification

Conflicts:
	config/routes.rb