Bump version to 1.1
build.sh: Add snippets directory.
setup.py: Remove spurious +".1" version suffix
setup.py: Depend on flake8 >= 2.0
ropebackend, refactor: Do not creacte .ropeproject folder.

This folder tended to clutter projects, and I never used it. Elpy
now by default does not create this folder. If this causes problem
for some, we can add a variable to make it optional.

Closes #127
README.rst now replaces README.md.
Fix MANIFEST.in

... hat tip to Hynek at
http://hynek.me/articles/sharing-your-labor-of-love-pypi-quick-and-dirty/
rope backend: Fix a test failing on 2.7

Apparently, rope now can find more info on Thread.join, but only
in py 2.7, not 2.6. Ok?
Add requirements.txt