Adds a class which can be used to calculates a SHA1 of the diff
associated with a patch, similar to git patch-id.
In this version whitespace is not ignored.
Change-Id: I421d15ea905e23df543082786786841cbe3ef10d
Signed-off-by: Stefan Lay <stefan.lay@sap.com>
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>