Make update_branch public method

used publicly within square-fork
Fix update_all syntax for Rails 4.1

In this case, just switch to pure SQL for infinite compatibility
Call maintain_test_schema! from spec_helper

New feature of Rails 4.1 to keep test DB in sync. Replaces db:test:prepare.
Update URL_PARSERS to allow periods

...and disallow unwanted special characters
Merge pull request #78 from square/rob/url-parsers

Update URL_PARSERS to allow periods in names
Increase width of text fields on repository edit page
Add flash message on repository edit
New dashboard for worker status
Modifications from pull request comments