refs #1174, #1175: fixed readTxtTable
 * ignore line breaks in matrix rows
 * allow multiple rows per line
 * allow float as data type, i.e. {{{float B(3,2)}}} is also possible
 * new error message if EOF was reached (too early) 

git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@6732 7ce873d0-865f-4ce7-a662-4bb36ea78beb