Added automatic container generation.

Will generate a wrapping container if containerClass comes up empty.

Will also apply some basic layout styles.
Determine container width automatically. Removed buttons.

Fixes #18
Added ability to put indicators anywhere!

Fixes #18
Commenting out features to be separated
Separate indicators plugin
Remove additional code
Remove additional code for button updating
Remove check for cssAnimation when updating width
Namespaced events, renamed functions, remove wrap, responsive, add transition override, and much more.
Simplify example to just use IMGs
removed old examples
simplified example
disable mocha for now
refactored code some more
updated example to log all events and added 2nd example
fixed support for itemsPerPage
refactored _createContainer and updateWidth a bit
Added preview plugin.

Issue #22
Moved preview example to index.html

Issue #22
Add indicators, click interaction