Version 1.2.0

• fix focal point to world link of r2300 #72 #72
• fix xacro filename cases #70 #70
• viz scanner model in rviz
• changed necessary for noetic #68 #68
• added urdf for r2000 and r2300 #66 #66
• fix deps for CI
• add urdf bringup launch file
• added urdf for r2300
• fix high CPU usage #65 #65 from PepperlFuchs/fix_while_loop
• fix pointcloud flickering in rviz
• reset cloud when params change in between publish cycle
• reduce sleep time for writer thread as observed in #63 #63 (comment)
• wait for the next message from the device with a timeout
• fix layers accumulation and low frequency issue #56 #56 from PepperlFuchs/fix_freq
• Contributors: Harsh Deshpande