Remove next/previous button image from project, add css data:image to css.
Fixed the click after scroll bug.
Merge pull request #8 from ehunter-usgs/fixes

Fixes
0.0.6
Changed this.el to this._el to normalize across projects
Fiexed test to work with this._el change
Updated reference from el to _el
Move tab number indicator up to be vertically aligned with tabs panel
Merge pull request #10 from emcwhirter-usgs/EQH-2767

Move tab number indicator up to be vertically aligned with tabs panel