Changed to fixed position for mask.
Merge pull request #17 from emartinez-usgs/PosFixed

Changed to fixed position for mask.
0.0.11
Changed this.el to this._el to normalize use across all projects
Updating references from el to _el
visual test to see modal view
fixed conflicts
cleaned up code
cleaned up code
cleaned up code
Moved _onMadkkeyDown method so it is with other private methods.
Bound event listener to window rather than mask
Changed method name
removed node 0.8 from travis configuration
this._el reference. whitespace. documentation.
fixed merge conflicts
fixed if statment
Merge pull request #22 from jdbrown-USGS/EQH-2763

Allowed for no header and/or footer as well as added test UI to see it
fixed rebase conflicts
no real change