Fix grid.js for readonly

Small fix for readonly grid, i think editInForm should not affect the edit action, also because cell editing disabled before when prohibitUpdate.
Merge pull request #107 from 0rca/mocha

Another cucumber feature replaced
Use pry-rails
Version bump
Implement advanced search by association (issue #93)
Merge pull request #106 from AlexKovynev/patch-6

Fix grid.js for readonly
Make cucumber warning gone