Skip the .msg files generated prior to v0.11.0

Some .msg files were created from .action file, as actionlib has been
disabled, we should skip these files to avoid extra effort.

Fix #546

Author: Minggang Wang

.gitignore

@@ -14,7 +14,7 @@ npm-debug.log
 tags
 cpplint.py
 generated
-types/interface.d.ts
+types/interfaces.d.ts
 dist
 .vscode
 .project