Added "navDots" option; Disable next/previous link on first and last page
Add navDots option to README file
Rebuild jquery.gridnav.min.js
Fix: Pagination defect
Rebuild jquery.gridnav.min.js after pagination fix
Refactory: dots nav (DRY)
Disable "prev" button on start
Rebuild minified file
Merge pull request #3 from hiryu85/feature-paginate-state

Added dots element (for pagination); Disabling prev button in first page; Disabling next button in last page