completed moving cucumber features to rspec features
refactoring for code climate
fixing specs, using rspec-retry
replacing formtastic with simple_form
upgrading bundler
adjust simple_form version for older rails
Revert "adjust simple_form version for older rails"

This reverts commit 86517bca540834de26660f6833fcc59aa2fc1403.
Revert "replacing formtastic with simple_form"

This reverts commit 6d7a69ba3a2e99b608b5d2a14fafac786f615cad.
use formtastic 2.3.0pre