add multithread mechanism for ZTL
Merge branch 'master' of https://github.com/zkoss/ztltest into parallel-improve
change for thread-safe
Merge branch 'master' of https://github.com/zkoss/ztltest into parallel-improve
add multitasking for maven test
add reduce configuration.
add timeout.
change return type, so mark all of the statements
add restart vm mechanism.
Merge branch 'master' of https://github.com/zkoss/ztltest into parallel-improve
merge from zkoss master
change setting
add codegen dir
remote log
fine tune
change browser url
add timeout
add maven parallel test mechanism
change build settings
add log