Minor changes to support the creation of a distribution release

While developing the distrel script for generating distribution releases from
Git projects and tag names, a few changes needed to be made to the following
files to make the process a little smoother.

File: Doxyfile
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- Changed the QUIET tag value to YES, so status output would not be printed to
  the screen while running doxygen

File: .gitignore
----------------
- Added the Build/Logs directory to the list of things to ignore in the
  GramSchmidt project

File: README
------------
- Removed the $Format:<format>$ string, since it will not be used in this file