Refactored mount spec to use new rspec syntax and slight clean up
Use new rspec syntax and use double instead of mock to silence warnings

Use new rspec syntax for form_helper_spec

User new rspec syntax for helpers_spec

User new rspec syntax in activerecord_spec

Converted uploader_spec to use new rspec syntax

Use new rspec syntax for form builder
Merge pull request #105 from dwilkie/clean-up-tests

Fix deprecation warnings in tests and use rspec expect syntax