* make datatable customizable.
 * added funtion 'callEvent' to qjuery element.
 * updated template.
 * updated datatable: added event handles.
 * rebuilt.
 * updated document of datatable.
 * changed font variables.
 * added statistics code to document.
* added statistics code to document.
 * updated document.
 * added statistics code to document.
 * fixed style of document for small screens.
 * hide statistics link.