Revert "Using build tags in order to test timeout related code changes to goon"

This reverts commit 8657903e8c5ac415f4a689f72fe911f6a8c1cbb0.
Revert "Revert "Revert "created an internal goon.timeout() function since appengine.Timeout(context,duration) didn't work in the development environment"""

This reverts commit f9524993af3c9cd9c76c5f59e97420a6f549ef81.
Revert "Revert "commenting out failing test due to issue https://code.google.com/p/googleappengine/issues/detail?id=10493""

This reverts commit f20077da31ea6798f8fc05e36355df1558cded82.