Cache the latest current time
Omg
Listen to external volume changes on the UI
Fix the formatting and make that readonly
Update Espera.Network and send the track number over the network
Increase the interval range for the library update interval to 12 hours

Also set the default value to 3 hours
Update the release notes link
Never do async work in the Subscribe method
Increase the designer height
Fix the YouTube hyperlink click
Ensure that the opening of a YouTube link doesn't crash the application.

Fixes #90
Refactor the media player framework so we can plugin other playback engines
Fix up the tests
Move this to the outer scope
Merge pull request #94 from flagbug/playback-engine-framework

Refactor the media player framework so we can plugin other playback engines
Refactor most of the library creation to the fluent API
Implement a NAudio bases playback engine
Nooooooooooo
Add a setting to manually switch the default playback engine
Added a test