basic achievement tests (create achievements)
add delete tests for achievements. (edit tests do not work cause of absence of javascript)
fixed conventions for labelling fields and updated tests to "pending"
changed capybara waiting time
changed some of the wordings to follow conventions
tried to mock facebook graph connect, and failed. will leave it for next time
corrected pending tests. should pass travis CI as well
Merge pull request #275 from weiqingtoh/test/development

Add Tests for Achievement