Add travis indicator
update Gruntfile, improve calendar styles, skip mobile browsers
reviset keyboard navigation, improve calendar css
improve test coverage
compact code, fix bug with enter key
cover with tests clicking on a calendar day
2-letter days of week + more compact calendar
fix issues in IE, better backspace key behavior
display calendar on input focus instead of click
Merge branch 'master' into gh-pages

Conflicts:
	.gitignore
version 1.1.0
Merge branch 'master' into gh-pages
version 1.1.0