bugfix - don't try to plot time axis if it contains a single timepoint. This was detected in relation to test_bug2185. I changed the hastime/hasfreq early on in the code, so that subsequent checks on the length of the axes are not needed.


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9416 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0