Added message type for GNSS config
Added option to run in gps only mode
Added settings for beidou and glonass
Added message for NAVX5
Adde c++ stuff for NAVX5 message
Added method to enable PPP
Added warning for ppp
Added MonVER, cleaned up make files a bit
Added hacky ublox_version parameter to handle current limitations in driver structure
Updated readme to reflect changes
Added missing line
Reverted default in launch file
Merge branch 'master' of github.com:KumarRobotics/ublox
Merge pull request #4 from gareth-cross/master

Added support for disabling GLONASS + BeiDou, added option to enable PPP