Changeset 489 for XIOS/trunk/src/test

Ticket 50: Implementing the getting/setting methods for Fortran interface

+) Add some C and Fortran functions to set and get data to/from CVariable with an id
+) Add method to send, receive and dispatch in CVariable
+) Add dispatch method in server class

Test
-) On Curie
-) Test data: integer, float, double, boolean, string
-) File: one and multiple, using_server: ON and OFF
+) All test cases passed and had correct results