Merge pull request #61 from mariusoe/master

please pull
Improved UserManagement and RPC security

Change-Id: I3f3eb07a94d9addbff028c095de435315650348e
Signed-off-by: Marius <marius.oe@gmail.com>
Improved communication between server to client

Change-Id: Iff57282aaa620daa6709a5f3652ef608358e4ee9
Signed-off-by: Marius <marius.oe@gmail.com>