inputType configuration parameter added. Allows user to specify any input type (email, url, tel etc.) for token input.
Add documentation for new inputType option.
Add an example for limiting input to typeahead data

I've added an example for limiting token input to just the typeahead data provided by Bloodhound.
Merge pull request #167 from robcaw/patch-1

Add an example for limiting input to typeahead data
Merge pull request #153 from Haprog/input-type-param

inputType configuration parameter added.