Fixed wrong copyright.

Signed-off-by: Esteban Torres <me@estebantorr.es>
Added new category on UIViewController to initialise the tap to dismiss keyboard.

Signed-off-by: Esteban Torres <me@estebantorr.es>
New header file that will include all the UICategories fixes.

Signed-off-by: Esteban Torres <me@estebantorr.es>