add mozmill tests: blocking redirects. (issue 493)
fix #493
use 32px icons in CSS file
change subscription base url to github. closes #494
rename/tidy up 'metarefresh' files, add <meta> redirect mozmill tests.
update install manifest

added and sorted contributors and translators.
pushed firefox maxVersion to current nightly (36.0a1).
create changelogs
update french translation (fr). closes #508.
update license headers
update updateURL to use the new github.io repo
add compatibility rule for about:addons
update latvian translation (lv-LV), by @aledovsky

closes #340
fix a bug
added a mozmill test against #351, which currently fails
whitelist known non-host uri schemes, see #447
tiny bugfix (mozmill)
update changelog
set version to 1.0.beta8
fix #514
set version to 1.0.beta8.1