If the TITokenFieldView is managing the size of its own contentView, then make sure it adjusts to the TITokenFieldView's scroll inset.

This allows it to be properly positioned in iOS 7 if the nav bar allows views to run underneath it.
Merge pull request #13 from sadlerjw/account-for-scroll-inset

If the TITokenFieldView is managing the size of its own contentView, then make sure it adjusts to the TITokenFieldView's scroll inset.
Turn some constants into properties on TIToken, in order to use them in a subclass
Add a TIToken subclass, TIFlatToken, that's used by TITokenField optionally.

It is used by default if the user's device is running iOS 7 or later, but you can set
TITokenField's useFlatStyle property to explicitly set whether you want it used or not.
Draw "flat tokens" the way they appear in Apple's apps on iOS 7

This means that non-selected tokens appear coloured with no background and include
a comma in their title. Selected tokens appear white on a solid background with ~3px
radius corners.
The disclosure arrow should be a little bit thicker, shorter, and grey.
Merge branch 'master' into ios7-style-2

Conflicts:
	TITokenField.m
Updating podspec
Merge pull request #14 from sadlerjw/ios7-style-2

Implement iOS 7 style for tokens