Do not attempt to validate index_page

index_page is stored as-is in the dashIndexFilePath plist key,
and it is therefore a relative value, so there is no point in
validating it against the cwd and the filesystem, at least not
at this level.
Remove the not existing index page test (see #22)
Merge pull request #22 from FiloSottile/patch-1

Do not attempt to validate index_page
Make tests pass again

Remove some cruft along the way.
Screw Python 3.2, yay Python 3.4
Ditch requirements.txt, pin in setup.py
Create version specific coroutine decorators

Don't check the Python version on each iteration.  I haven't measured whether
it makes any difference performance-wise but it sure is less ugly.
Clarify doc strings of parser base class
Kill .pipignore
Fix name deduction if the source ends with a /

Fixes #26
Bump version
Wordsmith README
Add pypy to CI
Clean up CI/dev reqs
Fix MANIFEST.in
Mention PyPy in README
Start 1.3 cycle
Initial test-less impl
Add dummy test file for intersphinx
Fix tests