Don't rely on dpkg-parsechangelog to get version.

This utility only exists on Debian based platforms.
Fix issue where incoming chat messages fail when getting called from the same session at the same time (FS#1922).
Fixed typo.
Merge pull request #132 from deathwish/remove-dpkg-parsechangelog-usage

Don't rely on dpkg-parsechangelog to get version.
0.22.7
Make sure to stop stream after testing user media access.
Clear input type file value for uploaded pictures on cancel.
Vertically align btn.
Update pdf error german translation.
Update translation.
Merge pull request #142 from theurere/update-german-translation

Update german translation
Merge pull request #140 from theurere/chrome-buddypictureupload-same-picture

Clear input type file value for uploaded pictures on cancel.
Merge pull request #141 from theurere/settings-align-enable-btn

Vertically align enable btn in settings
Reduced animationFrame rate to 10fps (down from 60).
Make sure to clear timeout after usermedia test.
Enabled houndci.com.
Removed opacity transition from chat pane as it caused compositing issues.
0.22.8
Ignore long lines and string literals.
Changed offer generation to generate offer when negotiation is required and signaling state is stable.