Refactoring: no need content param for sendGet
Support http delete request
Refine result vars name.
Refactoring: normalize result.fromResponse() method.
Rework for fromResponse - no need public method
Ongoing: add Device API support.
Refactoring - package class move
1. Refactoring some base test class;
2. Begin to write device apis tests.
update device test and fix bugs after test
add device example
fix isDeviceInTag bug
ongoing: test devices api
change alisa1
add logic tests
fix tests tag bugs
Support badge +0.  It is same effect of  disableBadge()
Fix default result bug
Update spec: use devices, tags, aliases resource name
Impove tests: prepare audience for audience tests.
Don't depend on default audience.