Added a component for Close icon #39
Added a component for Flash messages icon #39
Added a component for grid paginator #41
Added a sorter for Grid #41
Added a component for grid #41
Added a factory method to build Grid #41
Added a helper method for merging two objects #42
Added extended XhrFactory #42

- builds XhrIo objects
- notifies Flash when Ajax is running
Added Client as proxy for Ajax calls with sugar methods #42
Added App class for building component based apps #40

Supports:

- registrating components by CSS selector
- handles Flashes and Grid (via REST)
Merge branch '40_App'