0.5.5 RC1

changes:

- DOMRect uses double cache (value and complete DOMRect)

new features:

- added settings sanitation page
- added search field to browser action popup

fixes:

- Google images did not work for some users
- page action was not showing on Firefox Android
- wrong content script does no longer trigger the settings load forcing

known issues:

- if a data URL is blocked the page action button does not appear