Added 'lib' and 'modules' folders which should also be excluded, since libs are automatically fetched from dependencies.yml.

Also removed duplicate 'elicpse' entry.

PlayFramework.gitignore

@@ -7,10 +7,11 @@
 # Ignore Play! working directory #
 db
 eclipse
+lib
 log
 logs
+modules
 precompiled
 tmp
 test-result
-eclipse
 server.pid