- update to Firefox 20.0 (bnc#813026)
* requires NSPR 4.9.5 and NSS 3.14.3
* mozilla-webrtc-ppc.patch included upstream
* MFSA 2013-30/CVE-2013-0788/CVE-2013-0789
Miscellaneous memory safety hazards
* MFSA 2013-31/CVE-2013-0800 (bmo#825721)
Out-of-bounds write in Cairo library
* MFSA 2013-35/CVE-2013-0796 (bmo#827106)
WebGL crash with Mesa graphics driver on Linux
* MFSA 2013-36/CVE-2013-0795 (bmo#825697)
Bypass of SOW protections allows cloning of protected nodes
* MFSA 2013-37/CVE-2013-0794 (bmo#626775)
Bypass of tab-modal dialog origin disclosure
* MFSA 2013-38/CVE-2013-0793 (bmo#803870)
Cross-site scripting (XSS) using timed history navigations
* MFSA 2013-39/CVE-2013-0792 (bmo#722831)
Memory corruption while rendering grayscale PNG images
- use GStreamer 1.0 starting with 12.3 (mozilla-gstreamer-1.patch)