TurboLinks issues fixed in a different way that does not exclude TurboLinks

1. Re-enable requiring TurboLinks in the curate app generator.
2. Move javascript include tag for application.js from the body to the head of the boilerplate.html.erb.
Merge pull request #431 from projecthydra/feature/HDYRASIR-225_Fix_TurboLinks_problems_again

TurboLinks issues fixed in a way that does not exclude TurboLinks