Move license into separate file

http://stackoverflow.com/questions/845895/putting-license-in-each-code-file

http://programmers.stackexchange.com/questions/125836/do-you-have-to-include-a-license-notice-with-every-source-file
Move classes and protocols into separate files:
- APTokenView
- APShadowView
- APTokenFieldDataSource
- APTokenFieldDelegate
Whitespace

Went through all source code and did
- CMD+A
- CMD+X
- CMD+V
Remove auto-created copyright mess
Simplify example code
Simplify example code
Simplify example code
Simplify example code
Slight formatting & convention changes
Make label a @property
Remove APSolidLine in favor of a simple UIView
Remove useless import
Make numberOfResults a @property
Clean up header

Hide
- tokenColors
- backingView
- solidLine

Change property to "strong"
- resultsTable
Remove useless checks for nil
Improve API
Remove useless #import
Convert APTextField subclass to a simple category
API for selectedToken
Pretty typedef for token finding
Move some methods around