initial CITATION file
added citation info into normalize-by-median
fixed version test to deal with citation output
added rest of citations into khmer_args; added citation info to load-into-counting
added citaton info to abundance-dist-single.py
added whitespace for E225 pep8 warning
fixed pep8 errors
Merge branch 'master' of github.com:ged-lab/khmer into feature/citations

Conflicts:
	khmer/khmer_args.py
	scripts/abundance-dist-single.py
	scripts/extract-paired-reads.py
	scripts/load-into-counting.py
	scripts/normalize-by-median.py
added citation info to more scripts
finished adding citation info to scripts
added screed __version__ to info()
Merge pull request #354 from ged-lab/feature/citations

initial CITATION file