Fix small typo in JavaScript docs

BS3 commits: b3e3025f8f05ad9fd43dab6dbef6bc30cfdab22b
Update less.js to v1.7.0.

BS3 commits: dfb49174935da795e99550df60b486494b9b25a9
Update grunt-contib-less.

BS3 commits: 256baf802692b0a0e961f5b174e033e77fee837d
Add bower.json keywords

BS3 commits: d0bf4f4b630a85f1217bad20fbf22872d3bac1fc
Update dependencies.

BS3 commits: cd65e512a21767861c57294dc720d7836a104d39
Run `grunt`. Update Less.js

BS3 commits: e5affbfa0af2f6079a4ffcc7b476a261e4b2a404,
106af458313a0abc1aa4ac778c358c5e6a1bc974
Csslint fix

BS3 commits: cd134f1ed6b83854bf1f327d092022cfacc1c655
add initial card examples