update to react-source 0.12 final
update docs and test examples for changes in 0.12
fix deprecated calls and provide expected messages for 0.12
Merge pull request #105 from grahamcracker/0.12

update to react-source 0.12 final
Suppress deprecation waring from appraisal

The following warning is suppressed.
```
`rake appraisal:install` task is deprecated and will be removed soon.
Please use `appraisal install`.
```
Test against Ruby 2.1 on Travis CI
Merge pull request #109 from tricknotes/suppress-warning

Suppress deprecation waring from appraisal
Merge pull request #110 from tricknotes/ruby-21

Test against Ruby 2.1 on Travis CI
Test against Ruby 2.2 on Travis CI
Merge pull request #112 from tricknotes/ruby-22

Test against Ruby 2.2 on Travis CI
Merge remote-tracking branch 'upstream/master' into store-reference-to-components

Conflicts:
	lib/assets/javascripts/react_ujs.js