Move format_utils.hpp to root directory

Move format_utils.hpp to the root directory of this repository so that
it serves as common code. Change the namespace to reflect the directory
change. Move

Move format_utils.hpp to root directory

Move format_utils.hpp to the root directory of this repository so that
it serves as common code. Change the namespace to reflect the directory
change. Move automated tests to the test directory for common code.

Change-Id: Id1af4b8f6da3e3b4f86231599a19d70ca6164f12
Signed-off-by: Shawn McCarney <shawnmm@us.ibm.com>

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