don't need to pass --with-mozilla to gst-plugins-bad for gst-1
update gstreamer from 1.2.3 to 1.4.0, bump version in makefile
update gst-plugins-base from 1.2.3 to 1.4.0, bump version in makefile
update gst-plugins-good from 1.2.3 to 1.4.0, bump version in makefile
update gst-plugins-bad from 1.2.3 to 1.4.0, bump version in makefile
update gst-plugins-ugly from 1.2.3 to 1.4.0, bump version in makefile