fixed default assembly max mismatch value in usage
Merge pull request #3 from askerdb/master

Merging as is.
Merge branch 'master' of github.com:maasha/qiime_pipe
fixed typos and whitespace
added reads_total and bases_total to stats output
fixed error happening with no parameter file given
fixed two issues for qiime_merge_datasets.rb to work
added additional output of sequence in FASTQ format
Merge branch 'master' of github.com:maasha/qiime_pipe
added script to dereplicate FASTA file
added google sparse hash -> speed improved 10 fold
dropped dereplication step