prefix versions of gazebo and transmission macros
fixed copy&paste error (?)
patched gazebo.urdf.xacro to be compatible with gazebo 1.5
removed arm_ prefix from joint names in gazebo controller config
fixed name of ur5 transmissions
added IKfast compatibility functions
Merge pull request #7 from ipa-mdl/gazebo_fix

Gazebo fixes
Merge pull request #8 from ipa-mdl/kinematics

added IKfast compatibility functions
Merge remote-tracking branch 'ros-industrial/master'

Conflicts:
	ur_description/urdf/ur10.gazebo.xacro (solved)
	ur_description/urdf/ur10.urdf.xacro (solved)