Merge pull request #3733 from marpo60/3682-fix-padlock-images

3682 fix padlock images
don't let the install script run as root user
add x-frame headers
get rid of string concat of translatable strings in getting started
Merge pull request #3727 from jaywink/feature/2321-fix-message-notifications

Fix notifications for private messages between local users, fixes #2321
updated 78 locale files [ci skip]
Merge pull request #3739 from davecocoa/feature/3534-add-x-frame-header

add x-frame headers
changelog update before release
Merge branch 'release/0.0.2.0'

Conflicts:
	Changelog.md
	config/defaults.yml
changelog update before release
post release version bump [ci skip]
force typhoeus (and thus curl) to use diaspora.yml's CA bundle
drop capistrano-ext, closes #3735
bump rails to 3.2.9
remove unused helpers
remove unused methods
remove unnecesary stuff from specs
Merge pull request #3714 from marpo60/refactor

Housekeeping
Merge pull request #3754 from marpo60/housekeeping

Housekeeping2
update changelog [ci skip]