serialize context instead of trying to recreate it
fix restoring options after serialization
fix loading of stuff in kast and krun
remove dependency on jopt-simple
Merge pull request #749 from dwightguth/serialize-context2

serialize context instead of trying to recreate it
Merge pull request #750 from dwightguth/jopt

remove dependency on jopt-simple
fix ktest to use JCommander
delete dependency on Commons CLI
fix copyright