global: MANIFEST cleanup

* Adds test files to MANIFEST as suggested by `check-manifest`.

* Removes `docs/make.bat` as we are not building documentation on
  MS Windows.

Signed-off-by: Tibor Simko <[email protected]>

Author: tiborsimko

MANIFEST.in

@@ -6,8 +6,9 @@
 # more details.
 
 include LICENSE
+include tox.ini
 include docs/*.rst docs/*.py docs/Makefile
 include *.rst
-include tests/*.ini
+include tests/*.ini tests/*.py
 include .coveragerc .travis.yml pytest.ini
 include *.py *.sh