Removes unused adblockplus script tag
Updates QUnit to version 1.15.0

* The current version of QUnit allows you to run test modules individually.

* Updates one test, since `raises` was not defined.
src/background: minor cleanup

* prefers dot notation when possible.
* removes whitespace
* semicolons
Merge pull request #268 from duggiefresh/background-minor-cleanup

src/background: minor cleanup
Merge pull request #269 from duggiefresh/update-qunit

Updates QUnit to version 1.15.0
Merge pull request #271 from duggiefresh/remove-unused-script-tag

Removes unused adblockplus script tag
Spanish translation

Quick Spanish translation
Changes Adblock Plus for Privacy Badger
add more domains to cookie block list
Merge pull request #272 from lenazun/master

Spanish translation
add more sites to greylist
Merge pull request #274 from EFForg/greylisting

Greylisting