Merge pull request #2 from standage/master

Fixed copy/paste errors
added pure unix method for untangling fastq
added bobs blast and gff oneliners
added more awk, sed, and aliases
minor changes to sed
added awk to split multifasta
split awk & sed into separate sections for basic and bioinfo-specific
autojump and fix mistakes
Added an extract function which can be used in .bashrc
credits go to Mendel Cooper and his example in the Advanced Bash-Scripting Guide
http://tldp.org/LDP/abs/html/sample-bashrc.html
Merge pull request #6 from deepstop/master

Added an extract function which can be used in .bashrc
Merge pull request #5 from popucui/master

add autojump and fix mistakes
minor fixes, updated pdf
seqtk can de-interleave fastq file, no need awk
Merge pull request #7 from hliang/master

seqtk can de-interleave fastq file, no need awk