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.
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
memleaks begone
more gifts from valgrind

Including a couple notable memory leaks!