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!
split coverity target in two: -build and -upload. Added configuration target
match types
undo change to lib building
PEP8
Merge pull request #451 from ged-lab/feature/package-tests

Feature/package tests