Removed 'coding=utf8' from the __init__.py files that had no content

(should have waited for Benjy's feedback)

Removed 'coding=utf8' from the __init__.py files that had no content

Testing Done:
ci.sh is broken at the moment

 devpants goal test  tests/python/pants_test:test_utf8_header

Bugs closed: 238

Reviewed at https://rbcommons.com/s/twitter/r/541/
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Fixup ExampleProcessor to output its resource to the current compile class output dir.
  Upgrade setuptools in-line with the interpreter cache.
  Kill unused coverage dep - this is an indirect dep we need not specify.