adding publisher for laser without tracked people
cleaning code and adding comments
Merge pull request #338 from reem-utils/cris_branch

Cris branch
Merge pull request #337 from lucamarchionni/master

Adding node for filtering tracked person from laser
Merge pull request #339 from reem-utils/cris_branch

Cris branch
Files for basic functionalities
 now the time outs works
tested in the robot, you can say a direction, time or point
pick and place with no object recognition working quite good
this is the old files that Cris save in the computer
small modifications, it can be a conflictive push with cocktail party
Refactor of cocktail party