Merge pull request #286 from reem-utils/roger_branch

navigation table, it works perfect in the simulator, i have no try in th...
Merge pull request #287 from reem-utils/roger_branch

it try to create like a concurrent text to say, i have not tested
Merge pull request #288 from reem-utils/roger_branch

mini update of speach_say
Updating Object recognition states
Updating Objec Recognition and Grasping
Updating POIS
Updating Basic Functionalities: Pick_and_Place()
Now say accepts an optional parameter to wait or not when speaking so we have a concurrent speaking
Merge pull request #289 from reem-utils/chang_branch

Chang branch