Merge pull request #1 from ros-controls/indigo-devel

updates from ros-control
added readyForSwitch
Merge pull request #2 from ipa-fxm/support_hwinterface_switching

Support hwinterface switching
Merge pull request #1 from ipa-fmw/indigo_new_structure

Indigo new structure
Merge pull request #1 from ipa-fmw/indigo_new_structure

Indigo new structure