Description
Getting ready for Turtlebot 2.0. As a resume, the big issues are:
- Platform: using roslaunch argument 'base' to customize what gets launched for which platform. 
- This indirectly can be set via the TURTLEBOT_BASE environment variable.
 
 - Zeroconf: for advertising the ros master.
 
Changelist
2.0.x -[16-02-13]
1.9.4 -[16-01-13]
- Added missing dependencies.
 - Updated launch file used by upstart.
 
1.9.3 -[05-01-13]
- minor launch/rosinstall file bugfixes.
 
1.9.2 -[02-01-13]
- specify with arguments the modules loaded by 3dsensor.
 - namespace zeroconf.
 - minor fix to do odom_combined more conventionally.
 - centralised mux.
 - default params for the velocity smoother.
 - bugfix the kobuki diagnostics prefix
 
1.9.1
- dependency for depthimage_to_laserscan in the package manifest.
 - moving base link back in sync with create convention
 - minimal launch for new app framework
 - moved view_model instructions to the launcher, less redundancy.
 - hook the asus into the bottom_base_link, just like the kinect.
 
1.9.0
- patched app manager and brought in (will disappear short term)
 - environment variable switching for hardware configuration
 - description files for kobuki, hexagon stacks added.
 linux_hardware package for netbook related utilities
- updates for groovy