Merge branch 'master' of ssh://git-annex.branchable.com

doc/tips/flickrannex.mdwn

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+Hook program for gitannex to use flickr as backend
+
+# Requirements:
+
+    python2
+
+Credit for the flickr api interface goes to: http://stuvel.eu/flickrapi
+Credit for the png library goes to: https://github.com/drj11/pypng
+Credit for the png tEXt patch goes to: https://code.google.com/p/pypng/issues/detail?id=65
+
+## Install
+Clone the git repository in your home folder.
+
+    git clone git://github.com/TobiasTheViking/flickrannex.git 
+
+This should make a ~/flickrannex folder
+
+## Setup
+Run the program once to make an empty config file
+
+    cd ~/flickrannex; python2 flickrannex.py
+
+Edit the flickrannex.conf file. Add your flickrusername, password and folder(set) name.
+
+## Commands for gitannex:
+
+    git config annex.flickr-hook '/usr/bin/python2 ~/flickrannex/flickrannex.py'
+    git annex initremote flickr type=hook hooktype=flickr encryption=shared
+    git annex describe flickr "the flickr library"
+
+## Notes
+The current version base64 encodes all the data, which results in ~35% larger filesize.
+
+I might look into yyenc instead. I'm not sure if it will work in the tEXt field.