add roslint_xml

Using lxml.tostring(pretty_print) to find dirty xml files

For similar fixes in xml, try find . -iname *.xml -exec rosrun roslint
xmllint --fix {} ;

add roslint_markdown

Using pymarkdownlint to find dirty markdown files, specially tailing end, wrong indent

using https://github.com/jorisroovers/pymarkdownlint

add roslint_catkin, which runs catkin_lint

Runs catkin_lint within catkin run_tests
see https://github.com/fkie/catkin_lint for more info

add roslint_yaml function

Runs yamllint to find dirty yaml files

For similar fixes in YAML, try pretty-yaml
(https://github.com/mk-fg/pretty-yaml) pip install --user pyaml
find . -iname "*.yaml" -exec python -m pyaml -r {} ;