Add rake to Gemfile
Update Gemfile
Add tutorial gems to Gemfile
Update sample code
Update Gemfile & helper.rb
Update
Fix readme sample-code
Fix sample code links

https://github.com/appium/api-docs/commit/eed1cd7b3ad36ccaf55c5632746995a382f84d17
Releasing 1.2.0
Adding v1.2.0 documentation with latest intro.md
Merge pull request #44 from moizjv/documentation

Adding v1.2.0 documentation with latest intro.md
disabled language selection
making rake work
Update appium.io
typo
Update appium.io
added rake install task
added dev_rebuild task
Update appium.io
dev_rebuild task fix