ZK-1560: Configuration: allow user to abort the waiting thread if it takes too long to execute (activation)
javadoc
better to throw an exception if aborted by timeout
removed unused import class and fix typos in javadoc
Merge branch 'master' of github.com:zkoss/zk
Use ActivationTimeoutException instead
Use SC_ACTIVATION_TIMEOUT instead of 500
javadoc
revert 1551
Merge remote-tracking branch 'zkoss/master' into zkoss-master