modified blastclient.py for new BLAST+ binary
Removed NCBIStandalone imports.
Fixed cddSearch to use the new BLAST+ code
Removed blast_out variable for xml file
Updated Readme.md to reflect the new BLAST+ requirements
Removed parameter to specify rpsblast binary. blast2 is required to run rpsblast
Changed readme to add blast2 requirement
NcbirpsblastCommandline module needs to be updated by NCBI. It runs rpsblast instead of rpsblast+. Fixed by adding the 'cmd' variable.
Merge pull request #9 from byuphamerator/iss3

Issue 3