Import gstreamer 0.10.x

Closes mxcl/homebrew#18203.
gst-plugins-ugly010: opencore-amr flags are optional
gst-plugins-ugly010: really fix amr flags
gst-rtsp010: use configure directly
postgresql9 9.0.13
postgresql8 8.4.17
zeromq22: fix conditional precedence
subversion16: fix indentation