ALL: license updated

Signed-off-by: nils <nils.91@googlemail.com>
JSON: JSON-java added

Signed-off-by: nils <nils.91@googlemail.com>
SERVER: added easy connection interface

Signed-off-by: nils <nils.91@googlemail.com>
SERVER: added connection id

Signed-off-by: nils <nils.91@googlemail.com>
SERVER: added unique id generation

Signed-off-by: nils <nils.91@googlemail.com>
SERVER: added easy message receiver

Signed-off-by: nils <nils.91@googlemail.com>
SERVER: added internal json messaging

Signed-off-by: nils <nils.91@googlemail.com>