editors.geany: Add support.

basis/editors/geany/authors.txt

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+Doug Coleman

basis/editors/geany/geany.factor

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+! Copyright (C) 2013 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: editors fry kernel make math.parser namespaces system ;
+IN: editors.geany
+
+SINGLETON: geany
+geany editor-class set-global
+
+HOOK: geany-path os ( -- path )
+
+M: unix geany-path
+    \ geany-path get-global [ "geany" ] unless* ;
+
+M: geany editor-command
+    '[
+        geany-path ,
+        _ ,
+        "--line" , _ number>string ,
+    ] { } make ;