Added Flickr sharer service#193

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Muppets wants to merge 3 commits intoideashower:masterfrom

Commits on Mar 29, 2011

Added Flickr sharer service
Muppets
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Commits on Mar 31, 2011

Added Flickr sharer to SHKSharers.plist
Muppets
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Commits on Sep 23, 2011

Removed unused files and removed is public flag
Muppets
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