Added left and right direction to dropdown.
Added Number component for numeric values.
Context component implementation.
Context Component

- Added specs
- Firefox compability
Merge branch 'master' of github.com:gdotdesign/mui into compontent/context
Merge branch 'master' of github.com:gdotdesign/mui into 0.2.0
Merge branch 'compontent/context' into 0.2.0
Updated Documentation.
Keyboard Events.
Cleanup.
Updated documentation.
Some theme fixes.
Keyboard Support

- Fixing select / dropdown behavior
- Focus the range component on dragstart
- Paginate kitchen sink to focused component
- Selected option now has different style
- Focus styles for radio / range / slider
Fixes for firefox and select.
Keyboard support

- Added specs
- Range now toggleable with up / down keys too
Merge branch 'master' into 0.2.0
Merge branch '0.2.0' of github.com:gdotdesign/mui into 0.2.0
Merge branch 'master' into keyboard-support
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