Hide Dropdown Arrows

+ Adds browser hack to add `lte-ie8` class to `html`.
+ Hide arrow pseudo-elements when class is applied.
Merge branch 'master' into ie8_arrow
Build example for ie8 fix

+ Runs gulp to copy changes to example.
Update relative links in example.

I have a hunch that the relative links with `./` don't work in ie8.
Found a Trick to Force IE8 to Redraw Pseudo-Elements.
Version Bump
Merge pull request #2 from deseretdigital-ui/ie8_arrow

Fix Dropdown Arrow in IE8