Update i18n strings.

Exclude pinned providers and tests from the bitmask.pro generator since
there is no strings to translate in there.
Replace triple dot character with 3 dots.

The string was unicode and the conversion was troublesome, was displayed
badly on transifex.
Handle removals on the updater repo
Fix typos on strings and remove unused button.

This was reported by the user 'strel' on transifex.
Set version to 0.7.0 and date to the rc1 date.
Better error message for PostLimitError.

Suggested by user 'kingu' on transifex.
Fold in changes

Update release date and version name.
Update requirements to use newer Soledad.
Update release date and version number.
Remove email instructions/reference. Closes #6140.

- cleanup some code,
- remove unused import,
- pep8 fixes
Add support for the internal LXDE polkit agent.

Closes #6043.
Fix compatibilty with newest openssl. Closes: #6133

Newest OpenSSL expect cafile to be None or byte stream (was retunrning
unicode)
Do not use logger.exception during provider checks.

Closes: #6219

leap log handler was choking on the captured exception.
it might have to do with the exception unwinding made by the reactor.
this is a workaround to allow the provider checks to show a meaningful
error message. The backtrace should only be there for development
purpuses, so removing it.
vpn: support for the server setting custom fragment openvpn option
Fold in changes and update relnotes.
Bump bitmask-root version.
Pin Calyx.net provider.
Fold in changes.
Update relnotes for 0.7.0.
Merge branch 'release/0.7.x' into develop

Conflicts:
	pkg/tuf/release.py
	relnotes.txt