MOBSDK-822: Remove ConfigService implementation from 1.4 SDK code base.

NOTE: The code has been moved to a private github repo in case it's required again in the future.
MOBSDK-829: As a developer I want to request the last x number of log entries for an app.
MOBSDK-826: Add Batch Processor utility to SDK
Merge pull request #330 from gavincornwell/master

MOBSDK-822, MOBSDK-826 & MOBSDK-829