Remap the emails of the committers

Some of the emails that the committers are using
aren't really the right target email, so lets remap
the committers commited 'email' into the right email
instead.

Change-Id: Ib9346c32b4a967401d0c8cc67379337015d8c4d9
Task progress

Add update progress method to base task class

Implements blueprint: task-progress

Change-Id: Id7d554ce6c31778f1f1a084a3b268257e66a5fea
Graph flow, sequential graph action

Change-Id: I07cc820aa2f37d0f9599f34efab07b28cf47ca48
Merge "Task progress"
Merge "Remap the emails of the committers"
Merge "Graph flow, sequential graph action"