Add support for ARC and non-ARC projects via the preprocessor macro !__has_feature(objc_arc).
Refactor all examples and framework static library target to enable ARC.
Ignore 'research' directory.
Update FKTextField caret, selection and marked text UI to conform with iOS 7.
Update FKTextLoupeMagnifierView (caret selection) and FKTextRangeMagnifierView (range selection) UI to conform with iOS 7.
Update FKTokenFieldCell UI with iOS 7 styled token atoms.
Add ui design files used in FKTokenField.
Update FieldKit Overview example.
Update 'Examples' section of README.
Add screenshot for the 'FKOverview' example.