ID: #746 Add E2E Encounters section support
Split measurements from labs to Care Elements
Various E2E 1.35 bugfixes and hardening
Enhance E2E Scheduler: Differential export and fileless POST

Change-Id: I566b13719ec9a5de9ad5d53e0f603c49ed1d9f45
Signed-off-by: Jeremy Ho <jujaga@gmail.com>