ignoring pasteboard data for specific apps is handled by the clipboard plugin
Allow icons to be set for objects without handlers

Simply setting an icon in QSTypeDefinitions (Info.plist) will give an object an icon now
Various improvements to handling pasteboard objects

* Give all pasteboard objects IDs
* Put the object pasteboard type in the details
* Add a few new types (RTF)
* Fix up icons for images
* Add the source app name for unknown data objects
* Avoid just naming some objects @"Text"
define an image and name for RTF text
typo
move getting icon from QSTypeDefinitions to -[QSObject icon]
Better description for unknown types
Merge pull request #1406 from pjrobertson/pasteboard

ignoring pasteboard data for specific apps is handled by the plugin