v2.2.0-alpha

This release is not compatible with previous one!

• till now the main node is on level = 0,
• changed way to define parameters: source, onSave, onDelete, onMove. It's requre jQuery ajax settening object (#7),
• changed multiselect parameter to selectLimit. Fixed issues,
• improved template parameter. You can define layout by template variables,
• added wrapper for nodes (#9),
• added translations: fa, ru, tr, zh-CN.