Cleanup for version 0.2

Change-Id: I383ed12da8abc96b233c0694612f837b49731201
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+0.2 2015-06-15
+        - Switch to "koral:" prefix.
+	- Coverage of KoralQuery 0.3
+	  (see http://korap.github.io/Koral/)
+
+0.1 2015-02-10
+        - First version published to GitHub.