johnfyoung

#561922 by johnfyoung: Fixed call with reference

Features ------- - #561402 by johnfyoung: remove the link if the url field is empty - #538220 by johnfyoung: added nofollow functionality to the link

Features ------- - #511128 by johnfyoung: added a formatter to show just the link without the field - #527642 by johnfyoung: if the target is set to _self, the target tag will be dropped - Improved implementation of defaults - added a check to allow/disallow custom target

Bugfix
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- #522890 by agilpwc: fixed render for a node whose type provides a linkimagefield but the node doesn't actually have one associated
- #515456 by johnfyoung: added help text telling user that URL can be inputted after an image is uploaded

#512000 by johnfyoung: Fixed imagecache formatter to print the URL correctly