websocket integration

 - new pong message
 - fixed json mappings, test included
 - MQ listener added

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
added angularjs-nvd3-directives dependency

At the same time, angular js and bootstrap updated

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
angularjs and other version numbers refactored to properties

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>