Merge pull request #261 from patrickarlt/beta5

Final updates for beta 5 release
Merge pull request #262 from patrickarlt/beta5

Merge package.json, Gruntfile and .jshintrc fixes
Merge pull request #263 from patrickarlt/beta5

passing jshint file, rebuild with passing files.
Merge pull request #264 from patrickarlt/beta5

Example text tweaks, layout padding on smaller screens.
rebuild for release
Merge branch 'beta5' of github.com:Esri/esri-leaflet into beta5