make use of target in Makefile, before significant modification of pipeline to:
1. benchmark: get count of specific k-mers
2. counting error rate of 0.1 0.05 and 0.01
3. use stock scripts to evaluate sequencing error and abundance filtering
modify Makefile - check_fp_rate, abundance_filtering, check_error(still with problem) make use of target and stock script
delete unnecessary files
spell check and add several citation
more citation fix
fix tutorial and generate html file