Enhance the datesplit when entering short year dates. 99 -> 1999 or 01 -> 2001
[ci] Grunt test is good for Travis
Merge pull request #104 from popox/datesplit-enhancement

Enhance the datesplit when entering short year dates.
Upgrade package.json: yui 3.14.1, sellect 0.1.18 + rebuild all modules
Rebuild the docs
Cleanup all the js files in src/ folder to remove tabs and fix some lint errors (go down from 1484 to 632 errors)
[docs] cleanup the tabs in doc src files + fixes and demo code refactorings
[docs] more fixes
Md contribute and dev guidelines makes it readable directly on GitHub repo
Oups global npm install
Oups grunt to run the tests
[ci] Useless to test on old node version