This update has not been fully tested and has the potential to break dependent stuff (if there still is any). Therefore it should probably only be integrated in Factory for now

- update to 24.0 (bnc#840485)
* MFSA 2013-76/CVE-2013-1718/CVE-2013-1719
Miscellaneous memory safety hazards
* MFSA 2013-77/CVE-2013-1720 (bmo#888820)
Improper state in HTML5 Tree Builder with templates
* MFSA 2013-78/CVE-2013-1721 (bmo#890277)
Integer overflow in ANGLE library
* MFSA 2013-79/CVE-2013-1722 (bmo#893308)
Use-after-free in Animation Manager during stylesheet cloning
* MFSA 2013-80/CVE-2013-1723 (bmo#891292)
NativeKey continues handling key messages after widget is destroyed
* MFSA 2013-81/CVE-2013-1724 (bmo#894137)
Use-after-free with select element
* MFSA 2013-82/CVE-2013-1725 (bmo#876762)
Calling scope for new Javascript objects can lead to memory corruption
* MFSA 2013-85/CVE-2013-1728 (bmo#883686)
Uninitialized data in IonMonkey
* MFSA 2013-88/CVE-2013-1730 (bmo#851353)
Compartment mismatch re-attaching XBL-backed nodes
* MFSA 2013-89/CVE-2013-1732 (bmo#883514)
Buffer overflow with multi-column, lists, and floats
* MFSA 2013-90/CVE-2013-1735/CVE-2013-1736 (bmo#898871, bmo#906301)
Memory corruption involving scrolling
* MFSA 2013-91/CVE-2013-1737 (bmo#907727)
User-defined properties on DOM proxies get the wrong "this" object
* MFSA 2013-92/CVE-2013-1738 (bmo#887334, bmo#882897)
GC hazard with default compartments and frame chain restoration
- require NSPR 4.10 and NSS 3.15.1