Removed attribute namespacing which is incompatible with html5. Documentation fixes.
Fixed mistakes in attribute naming
General improvements to API

* Changed order of evaluation of data-jst-show and data-jst-hide.
* Changed `$count` var to `$length`
* Renamed `templateFunction()` to `templateCallback()` and `removeTemplateFunction()` to `removeTemplateCallback()`
* Removed dead code
Nearly completed documentation