Remove Git-based package version detection

Instead, allow package version overriding by setting a
BEANSTALKC_PKG_VERSION environment variable.
Link to tutorial from readme
Revert "Link to tutorial from readme"

This reverts commit 07e79454aef45c7d0102224d2eb77584cdf3eed2.

Relative links such as this are not automatically fixed up by Github on
the repository root page (not that I blame them). Using absolute links
in the README would fix this, but I don't want to README to be even more
tied to Github.
Fix and reword tutorial reference in readme
Update copyright
Explicitly mark ellipsis usage in doctests
Run doctests via nose

Move beanstalkd process management to a test support fixture.
Add Travis CI configuration
Install PyYAML for Travis CI workers
Run CI only for master, for now
Merge branch 'travisci'
Drop unused find_executable import from setup script
Minor style fixes (PEP 8)
Minor style fixes (variable naming)
beanstalkc is OS independent
Release version 0.3.0
Added reconnect utility method
Merge branch 'master' of https://github.com/phobos182/beanstalkc

Pull reconnect addition from Jeremy Carroll. Closes #23.
kick-job command
kick-job requires beanstalkd >= v1.8