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
tests runnable after installation
refinements for jenkins
astyle
enhanced Makefile + reports + more tests coverage

add target for python test coverage text report;
clarified where the HTML report is

Added additional tests

remove unused code as per https://github.com/ged-lab/khmer/issues/441#issuecomment-44744559
remove scripts that used CountingHash::max_hamming1_count
Document code & sandbox script removal
Changelog reordering
valgrind inspired cleanups