call old onerror when it's already defined
Give admins the ability to destroy all problems associated with an app
Bump Rails version to 3.2.17

To pick up recent security fixes (CVE-2014-0080, 0081, 0082).
Merge pull request #657 from alphagov/bump_rails

Bump Rails version to 3.2.17
Merge pull request #640 from tony-spataro-rs/app_destroy_all_problems

Give admins the ability to destroy all problems associated with an app
Merge pull request #630 from yujiosaka/master

call old onerror when it's already defined
do not use constantize, use more verbose approach
typo
Merge pull request #662 from EiNSTeiN-/master

do not use constantize, use more verbose approach
Merge remote-tracking branch 'errb/master'