Update the nss-pem source archive to the latest version
- Resolves: Bug 806043 - use pem files interchangeably in a single process
- Resolves: Bug 806051 - PEM various flaws detected by Coverity
- Resolves: Bug 806058 - PEM pem_CreateObject leaks memory given a non-existing file name
- Remove patches obsoleted by the nss and pem updates