same SR exists for Factory. Due to its security nature I didn't want to wait until Factory acceptance

- update to xulrunner 38.3.0 (bnc#947003)
* MFSA 2015-96/CVE-2015-4500
Miscellaneous memory safety hazards
* MFSA 2015-100/CVE-2015-4505 (bmo#1177861) (Windows only)
Arbitrary file manipulation by local user through Mozilla updater
* MFSA 2015-101/CVE-2015-4506 (bmo#1192226)
Buffer overflow in libvpx while parsing vp9 format video
* MFSA 2015-105/CVE-2015-4511 (bmo#1200148)
Buffer overflow while decoding WebM video
* MFSA 2015-106/CVE-2015-4509 (bmo#1198435)
Use-after-free while manipulating HTML media content
* MFSA 2015-110/CVE-2015-4519 (bmo#1189814)
Dragging and dropping images exposes final URL after redirects
* MFSA 2015-111/CVE-2015-4520 (bmo#1200856, bmo#1200869)
Errors in the handling of CORS preflight request headers
* MFSA 2015-112/CVE-2015-4517/CVE-2015-4521/CVE-2015-4522/
CVE-2015-7174/CVE-2015-7175/CVE-2015-7176/CVE-2015-7177/
CVE-2015-7180
Vulnerabilities found through code inspection
* MFSA 2015-113/CVE-2015-7178/CVE-2015-7179 (bmo#1189860,
bmo#1190526) (Windows only)
Memory safety errors in libGLES in the ANGLE graphics library