Updater added to UI
Help -> Check for updates
Message Box now shows version name and warning for pre-release
Merge pull request #75 from EmmittJ/AutoUpdateUI

Updater added to UI
Merge remote-tracking branch 'emmit/master'
Whoops
Merge branch 'master' of https://github.com/EmmittJ/PoESkillTree
Merge pull request #82 from EmmittJ/AutoUpdateUI

Forgot 2 files
Merge branch 'master' of https://github.com/EmmittJ/PoESkillTree
Merge remote-tracking branch 'emmit/master'
Files not used.
Exception Changes
+ Added Exception message to Updater
+ Changed Exception for Downloading Skilltree Data
  - Makes a backup of current data
  - On error restore that backup
  - On success delete backup
Merge remote-tracking branch 'emmit/master'