webkitgtk3: Adjustment to the BUILD. The aim here is utilizing the webkit2 portion of

webkitgtk3 and move those modules dependent on webkit to this one. This will allow us
to remove the webkit module. This method is borrowed from the lfs folks.
Merge pull request #15 from stumbles/webkitgtk3

webkitgtk3: Adjustment to the BUILD. The aim here is utilizing the webki...