update to SeaMonkey 2.19 (important)

Seamonkey was updated to version 2.19

• MFSA 2013-49/CVE-2013-1682/CVE-2013-1683 Miscellaneous
  memory safety hazards
• MFSA 2013-50/CVE-2013-1684/CVE-2013-1685/CVE-2013-1686
  Memory corruption found using Address Sanitizer
• MFSA 2013-51/CVE-2013-1687 (bmo#863933, bmo#866823)
  Privileged content access and execution via XBL
• MFSA 2013-52/CVE-2013-1688 (bmo#873966) Arbitrary code
  execution within Profiler
• MFSA 2013-53/CVE-2013-1690 (bmo#857883) Execution of
  unmapped memory through onreadystatechange event
• MFSA 2013-54/CVE-2013-1692 (bmo#866915) Data in the
  body of XHR HEAD requests leads to CSRF attacks
• MFSA 2013-55/CVE-2013-1693 (bmo#711043) SVG filters can
  lead to information disclosure
• MFSA 2013-56/CVE-2013-1694 (bmo#848535) PreserveWrapper
  has inconsistent behavior
• MFSA 2013-57/CVE-2013-1695 (bmo#849791) Sandbox
  restrictions not applied to nested frame elements
• MFSA 2013-58/CVE-2013-1696 (bmo#761667) X-Frame-Options
  ignored when using server push with multi-part responses
• MFSA 2013-59/CVE-2013-1697 (bmo#858101) XrayWrappers
  can be bypassed to run user defined methods in a
  privileged context
• MFSA 2013-60/CVE-2013-1698 (bmo#876044)