Fix build for .NET35

winauth#525 winauth#415 add the digits and interval into the creating…

… of new authenticator

Update to 3.6.0

Build 3.5.1

Build 3.5.0

Fix icon size. Fix .Net 3.5 compilation.

Issue winauth#311: workaround .Net Cookie bug, causing "no oauth token"

Update to 3.4.22

Auto-confirm any existing trades rather than just new ones. Add more …

…logging. Change Steam poller error be notification.

Add check for latest beta version