Desktop 0.8.2

This is a minor update to fix a few compile warnings in 10.6.

Changes:
- grantExtendedPermissionForSheet: now uses a URL with &popup
- login window will check app permission for offline_access before directing user to grant offline access page
- generateSigForParameters will raise an exception if it finds nil sessionSecret or sessionKey, a message will be displayed about setting application type to desktop
- release builds will no longer log to console

The next release is planned for the end of September and will be a significant update.