Expose ExecutorService.
Execute local tasks in same thread.
CAPEDWARF-78 The current request's id should be exposed through an ApiProxy.Environment attribute
Add fire-n-forget for dist exec.
Reduce ApiProxy hacks
Limit transformer exposure.
Dev login should remember last email used to login
Fix logging cluster test.
CAPEDWARF-79 User.userId and User.authDomain are not set
Re-try pool usage.
Do we block on tasks.
[CAPEDWARF-83]; Fix async tx handling.
Initial service registry impl
Add precedence order; right after GAE defaults.