Rename "grunt-jscs-checker" to "grunt-jscs"

Now grunt-jscs-checker's name is renamed to "grunt-jscs".
https://github.com/gustavohenke/grunt-jscs/commit/033b836742cc10c4a6d422a0b53e48604d5e92c1
specs.js: Move css-exclusions-1 to inactive-specs.js
specs.js: Move css-shapes-2 to inactive-specs.js

* inactive-specs.js: Add fillRule data types
specs.js: Move css-position-3 to inactive-specs.js