Fixed problem encountered in the case "using_oasis=true" : automatic detection...

Fixed problem encountered in the case "using_oasis=true" : automatic detection of a server does not work in coupled mode.
Back to the old method : if you want to use XIOS server mode, it is mandatory to specify "using_server=true" in iodef.xml in coupled case.



git-svn-id: http://forge.ipsl.jussieu.fr/ioserver/svn/XIOS/branchs/xios-1.0@507 d613d254-d18a-4304-b296-5125d4c4d670