Popup balloon when session ends while app is hidden.
Start implementation of plugin model
More plugging in
Dynamically load factory from dll file.
Load plugins from configured path.

Able to remove all Lync plugin refs from main app!
Double check that configured Plugin directory actually exists.
Fix up installer. Had the SDK and Lync dlls swapped in their features.
Add feature tree to MSI. Allows user to not install Lync plugin.
split lync out to individual msi
Add artwork for 256px logo.
Add 512px icon
New Guids and versions for all!