put back the incidently deleted gitignore

.gitignore

@@ -0,0 +1,28 @@
+*~
+\#*#
+.*.swp
+*.DS_Store
+*.class
+.com.apple.timemachine.supported
+.import-temp/
+build/
+dist/
+server/classes/
+main/webapp/WEB-INF/classes/
+main/tests/server/classes/
+main/test-output/
+appengine/classes/
+tools/
+extensions/sample-extension/module/MOD-INF/classes/
+extensions/jython/module/MOD-INF/classes/
+extensions/jython/module/MOD-INF/lib/cachedir/
+extensions/rdf-exporter/module/MOD-INF/classes/
+broker/appengine/module/MOD-INF/classes/
+broker/core/module/MOD-INF/classes/
+broker/core/WEB-INF/lib/
+broker/core/data/
+broker/core/test-output/
+tmp/
+/test-output
+/bin
+open-refine.log