* implemented trait attach, get application
* implemented API for trait detach and fix trait detach issue
* implemeted API add/sync/list capability center
* implemented API capability add/remove/list
* update test-cases according to new cli style
* merge two ginkgo describe to one as in github environment ginkgo does NOT follow the order of describes
* merge two ginkgo describe to one as in github environment ginkgo does NOT follow the order of describes