[Beta Channel] TeamSpeak 3 Client 3.0.15

=== Client Release 3.0.15 04 Jun 2014
+ Overhauled update system. General goals are to reduce download size and allow
  the updater to update itself before updating the client.
+ Two-step update ensures that the updater can update itself before updating
  the TeamSpeak client. This way we can deploy changes to the updater more 
  quickly.
+ Updater copies itself to temp folder and then runs from there, thus we no
  longer have issues with the updater not being able to update files because they
  are currently used by the system.
+ Added binary patching to the updater for a faster and much smaller download
+ Compressed update files with lzma instead of gzip to further reduce size
+ Added update channel selection to Options dialog (Applications page) to make
  it easier to switch to beta channel. No more update.ini editing required.
+ URLs will now be written into their own database named urls.db. The old urls.dat
  will be converted and deleted! If the converter finds a broken url in the
  urls.dat, the file will be discarded and a clean database will be created.
* Simplified Updater UI, removed some useless functions (Start/Changelog)
- Removed pluginsdk.zip from installer and updater. It is available again from
  our downloads page (http://teamspeak.com?page=downloads).
- Removed mirrors.ini, mirrors are no longer being used.
- Fixed broken date and time displays (bans, temp passwords, messages, logs
  etc). This was an oversight when switching from Qt 4 to 5.
- Fixed currently typing pen in chat not showing to other users.
- Fixed delay after applying changes in some pages of the Options dialog,
  especially noticeable in Applications page.
- Fixed adding bans not working with some Unicode characters in nicknames.
- Fixed some tooltips which changed with Qt5.
- Fixed temporary passwords table header which broke with Qt5.
- Fixed disabling max user spinboxes in channel edit dialog.
- Fixed icon scaling when loading from folder.
- Removed icon when moving a spacer.
- The profile and whisperlist name is now limited to 60 characters.
- Fixed an icon in filebrowser.
- Fixed website invitation for OSX.
- Fixed ts3link if a file or a folder name contains whitespace.
- Fixed client freeze and lag when loading chat history.
- Fixed permission table header which broke with Qt5.
- Fixed package installer which broke with Qt5.