Installed Ookii Dialogs
If the user's OS is capable if displaying the vista folder browser dialog, use it.
Updated YoutubeExtractor.

This should fix a bug where the library had a timeout when getting the page source of YouTube.
Some additional security if methods are called multiple times
Print the whole exception
Use a global assembly info
Release of version 1.6.10
Merge branch 'bugfixes1'

Conflicts:
	Espera/GlobalAssemblyInfo.cs
Merge branch 'master' into reactive

Conflicts:
	Espera/Espera.View/packages.config