added in MODISserverOrder (in MODISoptions()) in order to select and sort MODIS Dataserver see ?MODISoptions.
Implemented a new 'getStruc' allowing multiple instances quering the online data pools.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/modis@469 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
New version


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/modis@470 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
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git-svn-id: svn://svn.r-forge.r-project.org/svnroot/modis@471 edb9625f-4e0d-4859-8d74-9fd3b1da38cb