Fix typo in class name.

Grid--cell => Grid-cel
Fix breakpoint in utility size class name.
Make no hyphen class a silent class.
Update plugins.

Mainly readme updates.
Update tags' usage description/comments.
Add space.
Add theme-color meta tag for Chrome 39 on Android Lollipop.
Update thumb examples and accompanying descriptions.
Add space.
Fix script src links.
Update packages (sass and grunticon).
Delete obsolete line of code.
Update echojs' config settings.
Import flash animation.

For loading animation lazyloaded image.
Add Sass lazyload module partial.
Enable spacing class.
Add Google and Leafletjs example maps to contact page.

Work in progress…
Fix issue with z-indices and Google maps UI controls.
Update robots.txt.
Out-comment normalize margins figure element.