zfish_nt_12T.fasta - dna, 12 sequences (???)
rh10.fasta - protein (??? web site)
ex1.fasta - protein (http://www.molvis.indiana.edu/C687_S99/fasta.example.file)
ex2.fasta - dna, 13 sequences (http://www.ebi.ac.uk/2can/tutorials/nucleotide/sequence9.txt)
ex2_rna.fasta - rna, 13 sequences (changed T's to U's in ex2.fasta)
ex3.fasta - dna, 59 sequences(http://align.bmr.kyushu-u.ac.jp/mafft/software/ex1)
	modified taxa names to make them unique in first 30 chars (inserted "tn")
	has an 'x' in one of the sequences which I don't think is valid.
ex4.fasta - protein, 76 sequences  (http://align.bmr.kyushu-u.ac.jp/mafft/software/ex2)
	modified taxa names to make them unique in first 30 chars (inserted "tn" for non-unique ones)
ex5.fasta - protein, 6 sequences (http://cnx.org/content/m11036/latest/)