Bump version number following removing of old function.

theano/sandbox/multinomial.py

@@ -146,7 +146,7 @@ class GpuMultinomialFromUniform(MultinomialFromUniform):
         return Apply(self, [pvals, unis], [pvals.type()])
 
     def c_code_cache_version(self):
-        return (6,)
+        return (7,)
 
     def c_support_code_apply(self, node, nodename):
         return """

theano/sandbox/neighbours.py

@@ -285,7 +285,7 @@ class GpuImages2Neibs(Images2Neibs):
                                                                 dtype=ten4.type.dtype)()])
 
     def c_code_cache_version(self):
-        return (6,)
+        return (7,)
 
     def c_support_code_apply(self, node, nodename):
         mode = self.mode

theano/sandbox/rng_mrg.py

@@ -587,7 +587,7 @@ class GPU_mrg_uniform(mrg_uniform_base):
         //////// </ code generated by mrg_uniform>
         """ %locals()
     def c_code_cache_version(self):
-        return (4,)
+        return (5,)
 
 class MRG_RandomStreams(object):
     """Module component with similar interface to numpy.random (numpy.random.RandomState)"""