More messages and types added to MsgEncoder.
Added the ThrustAllocation class to enable simulation and usage of different thruster layouts. Continued importing the labust_sim package. Enabled basic simulation functionality and added plugin example for sensors. Imported needed header files from labust_base to the snippets package.
Merge branch 'master' into usbl_comms
Added google earth drawing of the diver and platform positions. Started finalizing the diver-platform usbl messaging system.