adding rules to .gitignore
Added large message support prototypes
Update README.md
updates to large_message examples
Merge branch 'discovery'
Use site.pp for provisioning
Retrieve host name and other data (still unknown) from the participant topic
Use _var type
Do not generate documentation. Install ruby-json before installing gems to make sure the fast implementation of the JSON parser is used. Added rules for multicast routing
Set up multicast routing
genidl, genidlcpp
merge in prototype headers
skeleton rclcpp package
compile all dds msg code into one library per package
skeleton rclcpp example package