included btrace jars
included BTrace script used to profile Java KRun; minor refactorings to ease the writing of BTrace script or circumvent BTrace bugs
excluded BTrace script from build process; added javadoc for package profile
fixed a bug introduced in preivous commit where I removed a "System.exit(0)" in krun.Main
moved btrace script under src/main/btrace to follow maven structure
Merge pull request #304 from yilongli/master

included BTrace script for profiling Java KRun
first draft of ktest refactorings, might not pass tests yet
try to fix tests
fix checkstyle errors
fix test xml because it's apparently ridiculous
fix bug with =
first draft of change to use JCommander for options in kompile