bump version to 1.1.1

release will cover:
- explicitly claim support for PyPy and 3.4 (no functional change)
- bigger example script in module docs
- minor doc tweaks

tasks before release:
- 3.4 testing on TravisCI
- update changelog
use SVG badges in README... more readable
Revert "use SVG badges in README... more readable"

This reverts commit 8a42293f92a79a800f70166d628af380bd7762fc.

Apparently GitHub markup rendering can't yet handle SVG: https://github.com/github/markup/issues/264
tweaks for the new example
get rid of \n in example code block

Sphinx gets confused by it.
more example-tweaking
minor README wording tweak
try SVG badges again

GitHub should be cool with them now.
kick the tires on Travis CI's support for 3.4
update changelog; shooting for 4/30 release

Checklist: promote to master branch, check that readthedocs looks OK, build and smoketest all packages, check with quakesounds, push to PyPI.
Merge branch 'release/1.1.1' into develop