documentation: clean up rosdoc_lite warnings (#440)
documentation: duplicate format1 documentation in format2 folder (#440)
format 2 documentation: step 1 (#440)
format 2 documentation: step 2 (#440)
format 2 documentation: step 3 (#440)
format 2 documentation: step 4 (#440)
documentation: update for Indigo (#440)
format 2 documentation: improvements due to internal review (#440)
format 2 documentation: first draft of format1 to format2 migration guide (#440)
format 2 documentation: eliminate excessive CATKIN_SKIP_TESTING verbiage (#440)
documentation: fix catkin_package() error in overview (#440)
format 2 documentation: add <doc_depend> migration, remove <buildtool_export_depend> (#440)
documentation: use catkin_install_python in examples (#440)
documentation: clarify mix of normal CMake and catkin commands (#440)
documentation: modify latest Indigo docs for Groovy and Hydro (#440)