Version bump to 0.22.0.pre
Project splash updated with cleaner panels between projects, closes #67.
Removed project logo from sheet and design PDFs, closes #63.
Design PDFs now have placeholders for subject code and entered date similar to sheet PDFs, closes #56.
Simplifications for the design editor, addresses #68.
Minor styling changes for better consistency of radio, checkbox, and scale variables, closes #64 and closes #65.
Create Project button moved to menu bar if a user is only on one project, and has been removed from project page, closes #60.
Removing variables now prompts the user to make sure that is what is intended, closes #62.
For consistency, also put confirmation when removing section from a design, addresses #62.
Updated changelog, addresses #62.
Updated to rails 4.0.1
Changed the way designs are created to speed up/simplify creating initial questions, addresses #68.
Removed un
Removed unused code for schedules
Subject entered and unentered schedules and associated sheets are now part of the JSON object that is returned
Simplified subject status so subjects can either be `valid` or `test`, and index pages default to showing only valid subjects and related sheets by default, closes #66.
Surveys can now specify a redirect_url where the user is directed after completing a survey, closes #52.
Removed support for Ruby 1.9.3
Updated to rubyzip 1.1.0
Made design question_type to variable_type more robust