1.6.0

• Clear Field not clickable in Firefox
• Adding babel polyfill to docs-site for IE11 compatibility
• Adding a label to the month navigation buttons
• readOnly fix
• fix-unsafe-lifecycles
• Preserve the preselect date when the user is typing
• Fix typo in class name in year dropdown
• Move '}' for js code markdown
• Changed selection of today to allow for multiple instances of today to be rendered (ie. in case today is the start of the month)
• Only open the calendar for ArrowUp and ArrowDown
• Removed unused helper in date utils
• Remove second autoFocus example