Implement IRequestHandler to intercept download event
Add downloader window
Move downloader to utilities proj
Fully implement WebPlugin updating through Core

Fixes #35
Remove webplugin installation from installer and fix crash bug
Add methods to add an uninstall entry in Control Panel
Clean up the installer some more

Remove UIUpdater and replace it with the minimal UIDownloader instead to
clean up cruft.
Will eventually move FinalizeInstall stuff to UIComplete.
Add hardline to Dist
Merge pull request #43 from ron975/2.1-fixes

2.1 fixes
Add prerelease info to readme
Fix windowed mode setting got reset every start

Fixes issue #42
Refactor UIDownloader and UIUpdateNotifier into core
Add control panel and start menu entries on install
Add updater class to installer
Add Javascript and backend for MOHW
Add MOHW client fixes #44
Update readme
Fix mohw build
Add icons to MOHW and BFH
Merge branch '2.1-mohw'