Customize context menu on UIWebView

Replace the default UIMenuController
http://stackoverflow.com/questions/14595587/how-could-i-replace-uimenucontroller-with-my-own-view-when-text-is-selected

Apple programming guide for Displaying and Managing the Edit Menu
https://developer.apple.com/library/ios/documentation/StringsTextFonts/Conceptual/TextAndWebiPhoneOS/AddingCustomEditMenuItems/AddingCustomEditMenuItems.html

UIMenuController (Tutorial)
http://ios-blog.co.uk/tutorials/rich-text-editing-highlighting-and-uimenucontroller-part-3/

http://stackoverflow.com/questions/3267296/how-do-i-add-a-custom-uimenuitem-to-the-uimenucontroller-in-a-uitextview/3286756#3286756


Disable callout menu > capture gesture > show your own menu
http://www.icab.de/blog/2010/07/11/customize-the-contextual-menu-of-uiwebview/