Feature: Repository Monitor

Cached Job Index, Live Job Message Update
Fix: Silverlight AttachmentUpload

Workaround for WebCam opacity bug
Fix: Client Bootstrapper ignores proxy

Ignore the proxy settings when downloading the client
Update: Additional UI Extension Hooks
Fix: Device Model Image Size: 256px
Update: Repository Monitor
Update: Cached Job Index Data

Take advantage of repository monitor for change notification; in-memory
cache rather than retrieving data on each request.
Fix: Silverlight Attachment Upload Information
Feature: Live Job Resource Updates

Using Repository Monitor and associated SignalR service, Job Logs and
Attachments are automatically updated on all 'viewing' computers.
Update: Plugin Functionality Extended

Additional plugin extensions and functionality.
Merge: Repository Monitor
Merge: Detached Head