some spelling + language improvements
markdown tests
add one more conclusion
Test Strategy Part I

document strategy in doc/TESTING.md
have uniform naming run_all
run_memcheck will fail if there are memleaks (unlike ctest)
mark known-to-fail memleaker (+ added github issues #56 #32)
avoid running check_conficts.sh test if no job control available
update in docu fixes #57
allow kdb-static to be real static

also allow to change pic flag
fixes #23