fix the size of the team github buttons
Fix ico
up less.js version to 1.6.1
add in a less logo to the header
Correct the footer links
Update the developing page
Add contributing link to the development section
seperate the 2 sections in options and add to the navbar
Remove double headline in plugins/sourcemaps section
delete / cut down unused md files
Merge branch 'master' of https://github.com/less/less-docs