replace prototype with jquery in accessibility.js

to test this change, you should enable impaired mode
for your test user
Merge pull request #1140 from opf/fix/replace_prototype_with_jquery_in_accessibility_js

replace prototype with jquery in accessibility.js
Show error on attempt to register with disabled self registration

This happens for normal registration as well as registration via omniauth.

This also changes the redirect to not go to / and go to signin_url instead.
Merge pull request #1145 from opf/fix/disabled_self_registration_error
Add changelog entry
Update pry-byebug and its dependencies

This fixes a bug when stepping with pry:
https://github.com/deivid-rodriguez/pry-byebug/issues/11
Remove guard as we don't use it
Remove pry-debugger as we don't support Ruby 1.9 any more
Merge pull request #1148 from opf/feature/clean_up_gemfile

Gemfile: Clean up some development dependencies
Bring back test-unit dependency to fix CI::Reporter issue

Broken in 9721cb95: test-unit was previously present by virtue of
being a guard-test dependency.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
remove Rails2 Ruby1.9 utf8nize!
Merge pull request #1152 from opf/fix/remove_obsolete_utf8nize

Remove Rails2 Ruby1.9 utf8nize!
rubocopify most parts of the application controller