Added new features

Added 
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1. Macro bindings
2. Member tag binding with dialog
3. Dynamic post editors recognize bindings
4. Tabs move text in editor instead of jumping to next html element

![screen](https://f.cloud.github.com/assets/1251374/1063640/e6560010-12d4-11e3-99ff-9822eea8d2a7.jpg)


Design
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- Changed to prototypal design to re-use code, but kept as much existing code as possible
- Added JQueryUI for dialog

Testing
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 - All features have been tested thoroughly.