Made name changes to all files in fixtures, functional, and unit.  Modified the viz migration file.  Added functions to test_help.rb.  Added new unit tests for data sets, projects, and users.
Merge pull request #217 from kcarcia/testing2

Renaming tests, refactoring tests, adding new unit tests
WIP
-Moved things from the general projects js page to the appropriate page-specific file.
-Fixed CSRF issue with both the experiment and tutorial creation button.