WSME: update to 0.6

0.6 version adds some API parameter type classes for API validation.
We can replace each project's own classes with these WSME's classes.
By sharing the same classes between projects, it conduces to good
quality.

Change-Id: I2e93f73c7caf2b176290c62562a109ded4b0e077
Merge "WSME: update to 0.6"