fix: init Client.labors according to cfg.platforms
fix: when order destroy, need to check the labor which concerned with platform  exist
modify log
fix: when remove labor, remove it from labors or busLabors collection
add some comment to clear steps to handle order distribution
M: LaborManager.take() -> LaborManager.addOrder()
split Order.labors into Order.labors and Order.waitingPlatforms
update
new: platforms match
modify: add a todo comment
Merge branch 'master' of github.com:totorojs/totoro-test
add: devDependencies
modify: modify according to jshint
improve: when all matched labors finished tests, wait some time before destroy order to let not matched platforms have a chance to match labol
fix: merge conflict
add: comment