Fixed argparse oversight
Move script to scripts/
Added argparse, and support FASTQ
Updated changelog for extract-long-sequences

& test_scripts.py & fastq-to-fasta.py & extract-long-sequences help
text.
Merge pull request #461 from ged-lab/fix/extract_long_seq_toscripts

Fix/extract long seq toscripts
Fixed the one liner just like Luiz would do

and ChangeLog update.
Merge pull request #475 from ged-lab/fix/load_into_counting

Fixed the one-liner just like Luiz would do.
handle missing input files
Merge pull request #484 from ged-lab/fix/assemstats3-nofile

handle missing input files for sandbox/assemstats3.py
update doc/install.txt to use python2 explicitly
further modifications for python2 install
updated commands vice @mr-c
Merge pull request #485 from ged-lab/update/use-python2

Be explicit about python2/pip2 in the install docs.
updated reservoir sampling script to produce multiple subsamples with -S; added docs
add epilog to sample-reads-randomly.py
updated ChangeLog for multiple subsamples with sample-reads-randomly
updated epilog docstring per @mr-c
removed SHELL setting in Makefile
added long-form options; fixed epilog crashing bug by adding metavar