Fix the build on 9.x and 8.x after the update of webkit-gtk2.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375853 35697150-7ecd-e111-bb59-0022644237b5
Use correct categories.

Submitted by:	freshports sanity checker


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375854 35697150-7ecd-e111-bb59-0022644237b5
Add a patch (submitted upstream) to make the port build with CMake 3.1.0.

Use the proper syntax for configure_package_config_file(). Verified to also
work with CMake 3.0.2.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375855 35697150-7ecd-e111-bb59-0022644237b5
Add upstream patch to make the port build with the upcoming CMake 3.1.0.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375856 35697150-7ecd-e111-bb59-0022644237b5