some changes on the structure. Added go_to_start_position.
autopnp pnp manager now working perfectly with new driver
added the new vacuum cleaner driver and moved the pnp manager to the same package
code cleaning, tool change works almost (no vacuum on/off after hand was moved)
bugfixes for vacuum cleaner and pnp manager, they appear to detect and initialize the correct device properly, now
recent version in working state. Added scripts
slite modifications on working process of tool changing
added method descriptions
Merge pull request #6 from rmb-om/master

PnP with toolchanger now working