possible tvrage duplicates Fixes #808

adds unique keys making sure duplicate tvrage entries can't be added
Merge pull request #813 from wtf911/patch-2

possible tvrage duplicates #808
Update Changelog
Update nzb-import.php
Update and rename Ubuntu 12.10 INSTALL GUIDE.txt to Ubuntu 13.04 INSTALL GUIDE.txt
Clarify some install steps.
Patch for indexes.
Double digit months before october.
Didn't get pushed.
Add back the echos only if it succeeds.
For a releaseID on releasefiles, make sure to only insert a file if it's unique (no more 2x setup.exe for example).
Update rarinfo.
Fix some bugs in post proc.
Bug in barbarella regex.
Additions/fixes to barbarella.
Fix some bugs in post proc, add more to namecleaning, add a debug output to binaries to show non yEnc articles.
Fix 2 minor things.
Update bloaf.
Update all regex to check if .rar comes before other extensions (example :.rar.par2")
Another regex for blu-ray.