goffice: move some files to the correct location; rebuild for corrected shlib-provides.
goffice: fix cross build.
Manual: improve 'contributing via git' section.
goffice0.8: rebuild for corrected shlib-provides.
grantlee: rebuild for corrected shlib-provides.
Manual: use the ssh github repo url instead for forked repos.
gst-ffmpeg: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-libav: rebuild for corrected shlib-provides; lib32disabled=yes.
gstreamer: rebuild for corrected shlib-provides; add missing shlib.
gstreamer1: rebuild for corrected shlib-provides.
gst-plugins-base: rebuild for corrected shlib-provides.
gst-plugins-base1: rebuild for corrected shlib-provides.
gst-plugins-bad: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-plugins-bad1: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-plugins-bad: add patch to fix build with newer libmodplug.
gst-plugins-good: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-plugins-good1: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-plugins-ugly: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-plugins-ugly1: rebuild for corrected shlib-provides; lib32disabled=yes.
gst-python: rebuild for corrected shlib-provides; lib32disabled=yes.