Switch to Event Page

Event Pages don't stay in memory.

Needed to change a few things as some APIs have been
deprecated and/or changed. options.html is apparently
not allowed to have inline scripts. Event pages
require using background.js not background.html
Merge branch 'switch-to-event-page' of https://github.com/greggman/cr-buildbot-highlight
Update the matches for the content scripts.
Check in 1.4 zip