add new functional
Merge remote-tracking branch 'origin/master'

Conflicts:
	Reactr/src/main/java/com/example/reactr/MainActivity.java
	Reactr/src/main/java/com/example/reactr/SignInActivity.java
	Reactr/src/main/java/reactr/adaptor/MenuAdapter.java
	Reactr/src/main/java/reactr/network/ReactorApi.java
add new functional