Minor documentation improvements.

git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@2583 d5102386-fcda-11dd-9fdb-3debd5008f28
Whitespace fixes in the LUFA configuration files.

git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@2585 d5102386-fcda-11dd-9fdb-3debd5008f28