Add checkdeletions as job

Change-Id: Icdfe38a885b56db8e9165729c8dbcdaaa6a489c6
Improve README

Rename to README.rst for nicer formatting and add additional
information.

Change-Id: I119248e33258c1d40d222034cb5e06e1bfaec93c
Merge "Add checkdeletions as job"