Remove STAThread in Console App as causes unloading AppDomain to hang

Move Delete File and Delete Gist in more contextually appropriate places

Add Clear Gist Caches menu option

Bump to v1.0.0.4

Create new icon using a proper icon editor

bump Winforms to v1.0.0.2

Change 'sign-in' text bump version to test update

Merge pull request #2 from ServiceStack/update-deps

Update deps