Merge branch 'master', remote-tracking branch 'parent/master'
make 500 error page slightly more friendly #45
add Confused Alligator to other error pages also #45
tweak styling, fix typos, add back link #45
tweak style a bit more #45
extract styles to errors.css and add image files to repo #45
add clipart originator usernames to CONTRIBUTORS #45
Render sources/import flash message without the layout

Closes #198
Redirect to new_source_path on source import failure
Merge pull request #201 from reidab/198-source-import-cookie-overflow

Fix source import CookieOverflow
move errors.css to assets and make it precompile #45
Fix return value of Source::Importer#import

In SourcesController#import, we rely on the return value of this method
to determine the success or failure of the import. In cases where the
parsing was successful, but no events were found, we were returning a
truthy empty array.
Merge pull request #199 from supremebeing7/friendly_error_pages

Friendly error pages
Remove old public/errors.css
Add more green to friendly error pages, mix up the exclamations
Remove error codes from error pages

I’m going to err on the side of describing the errors without giving the
specific HTTP code.
Rephrase 500 error slightly
Merge pull request #202 from reidab/source-importer-error-on-no-events

Fix return value of Source::Importer#import
Merge pull request #203 from reidab/friendly_error_pages

Add more styling to friendly error pages
Move Confused Alligator image into app/assets/images