Rename Parent-Selectors.md to parent-selectors.md
added a link checker and fixed simple internal links
Merge branch 'master' of https://github.com/less/less-docs
extend the link checker to check internal cross references
remove bad link
update headings so there aren't too many sub headings
Changed less and css to Less and CSS where applicable (#109).
Fix required version of handlebars-helper-compose 

in order to get fixed version of marked-extras and therefore fix #104
features-overview.md: improved Scope section.
Merge pull request #111 from seven-phases-max/master

Features Overview: improved Scope section.
Updates to add improve this section and remove duplication
Rename Editors-and-Plugins.md to editors-and-plugins.md
Rename Frameworks-using-LESS.md to frameworks-using-less.md
Update command-line-usage.md
expand out the rest of the command line options
more content for command line usage
update dependencies
Updated "Scope" section (#110).
initial detail about detached rulesets
Merge branch 'master' of https://github.com/less/less-docs