documentation - some small cleanups


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8573 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0
documentation - only whitespace changes


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@8574 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0