Use classic webview

 * Workaround for glitches the new chrome stuff causes on our device

  Requires these patches:

    http://review.cyanogenmod.org/#/c/56054/
    http://review.cyanogenmod.org/#/c/56055/

  And also the webkit folder must be put back in external

Conflicts:

	system.prop
use old webkit
sysprop: fix parse