Handle button clicks from menu

[robertofiguz]

Create mission based on selections from menu:

• has to capture the entire history of the menu tree
• has to publish the selected mission

[robertofiguz]

Menu selections are published to the topic: /mission/requested

message example:

action: "count"
room: "Escritorio" 
object: "Mesa"
request_id: "8225692000000"

request_id is to be used to track mission status