THRIFT-2693 Erlang test leaves a lot of generated files

Patch: Roger Meier
diff --git a/.gitignore b/.gitignore
index 075aac1..f183523 100644
--- a/.gitignore
+++ b/.gitignore
@@ -216,6 +216,8 @@
 /lib/go/test/ThriftTest.thrift
 /test/log/
 /test/test.log
+/test/erl/.eunit/
+/test/erl/.generated
 /test/go/ThriftTest.thrift
 /test/go/gopath
 /test/go/pkg/