Activated and built Japanese language.
Merge branch 'spreed-speakfreely-japanese' of https://github.com/cfrisemo/spreed-speakfreely into spreed-speakfreely-japanese
Use new "websocket.Upgrader" API.
This doesn't change functionality for now, but will be required once support for compression has landed in gorilla/websocket.

@deathwish: You will have to update the Debian packages of Gorilla to build this.
Update of Japanese language file.
Merge pull request #25 from longsleep/native_https

Native HTTPS listener
Merge pull request #26 from fancycode/upgrader_api

Use new "websocket.Upgrader" API.
Merge branch 'spreed-speakfreely-japanese' of github.com:cfrisemo/spreed-speakfreely into cfrisemo-spreed-speakfreely-japanese

Conflicts:
	src/i18n/messages-ja.po
Updated and rebuilt Japanese (ja) translation.
Fixed text shadow in overlayAction buttons.
Updated dynamic styles to work with new renderer styles.
Onlye hangup call when really onloading and not before.
Brought back pointer events in remote videos on kiosk view.
Improved visibility of overlay actions.
Make sure that there is enough room for videos in kiosk mode and scroll if there isnt.
Prepare for 0.17.4 release.
Rebuilt translations and translated to German (de).
Do not show overlayActions in smally mode.
Changed documentation to make a distinction between user and session.
Renamed everything which was named user to session in preperation for user implementation.
Handle users request with sessions.