added ignore file for git

Author: akonczak

.gitignore

@@ -0,0 +1,21 @@
+atlassian-ide-plugin.xml
+
+## Ignore svn files
+.svn
+
+## ignore any target dir
+target
+
+##ignore only top level data dir - local node data files for unit tests
+/data
+
+## Ignore project files created by Eclipse
+.settings
+.project
+.classpath
+
+## Ignore project files created by IntelliJ IDEA
+*.iml
+*.ipr
+*.iws
+.idea