bug fix
Merge pull request #44 from xduo/staging

Sound upload bug fix
Merge pull request #45 from dugu108/staging

Update profile service and add email service
Merge pull request #46 from dugu108/staging

add user message related services
add role based auth
Merge pull request #47 from xduo/staging

Add role based auth
add login/logout service
Merge pull request #48 from xduo/staging

Add login/logout service
add auth support
grant admin role in mock
Merge pull request #49 from xduo/staging

Add auth/login/logout support
profile updating
Merge pull request #50 from xduo/staging

Profile updating
add search sound api
Merge pull request #51 from xduo/staging

Add search sound api
minor fix
refactor
fizes
Merge pull request #52 from xduo/staging

minor fix
recommend and register