Merge pull request #906 from arinto/new-ignore-for-Eclipse-SBT

Add output directory of sbteclipse plugin, which is ".target" directory.

Global/Eclipse.gitignore

@@ -23,5 +23,8 @@ local.properties
 # PDT-specific
 .buildpath
 
+# sbteclipse plugin 
+.target
+
 # TeXlipse plugin
 .texlipse