Split out the doc and flake8 tests and rebalance the tests.

.travis.yml

@@ -33,8 +33,9 @@ install:
 
 # command to run tests
 env:
-  - PART="theano/sandbox theano/sparse theano/scalar theano/tensor/nnet theano/scan_module" DOC=1
-  - PART="theano/tensor/tests theano/tensor/signal theano/compile theano/gof theano/misc theano/tests theano/compat"
+  - PART="theano/tests/test_flake8.py" DOC=1
+  - PART="-e theano/tests/test_flake8.py theano/compat theano/compile theano/d3viz theano/gof theano/misc theano/sandbox theano/scalar theano/scan_module theano/sparse theano/tests theano/typed_list"
+  - PART="theano/tensor"
 
 matrix:
   fast_finish: true