Adding mirrors to SCOP.

Mirrors are considered sequentially if there are download errors.
BerkeleyScopInstallation now takes mirrors too!
Remove erroneous exceptions from Scop
Update the versions tested by BerkeleyScopInstallationTest
#93 adding a parser for karyotype info from UCSC
fixing wrong order of CDS and transcription start coordinate parsing
Renaming ScopURLs to ScopMirror
Add junit Assumption for SCOP reachability
Merge pull request #94 from sbliven/scopmirrors

Merge Scop Mirrors Branch