update of listen and repeat, the test it's a bucle
Merge pull request #191 from reem-utils/chang_branch

Updating Play_motion: There is no need for manip_time_to_play userdata k...
 now it have a feadback, it talck all the time
only change the content of the message
update listen operator
it will have the states of human interaction
Merge pull request #192 from reem-utils/roger_branch

Roger branch
test of acknoledgment
 hri acknoledge working
Merge pull request #193 from reem-utils/roger_branch

Roger branch
updates for check_dic_gram
Adding check_exists_yaml.py --> it is a script that checks that the list of objects/pois... provided from the TC exist in the yaml created by our team
Adding check_yaml.py --> It is a script taht checks if the objects from the yaml file are listed in the list from the TC