Removing the legacy Xamarin.Forms.Labs folder
Merge pull request #517 from sami1971/xlabs2

Xlabs2 merge
Merge pull request #520 from sami1971/xlabs2

Code refactoring
Fixing issue #382: TakeVideoAsync NullPointerException
Merge pull request #521 from davidtavarez/xlabs2

Fixing issue #382: TakeVideoAsync NullPointerException