docs: Add changelog for 0.15
Require Python 2.7
tests: Remove unittest2
tests: Import unittest directly from the stdlib
Remove hacks required by #302 to run on older Python 2.6.x
config: Fix flake8 warnings
main: Remove resolved TODO
Merge pull request #435 from jodal/feature/drop-python-2.6

Drop Python 2.6 support
docs: Add issue reference
argparse: Convert mopidy command
argparse: Convert mopidy-scan command
docs: Add argparse conversion to changelog
commands: Move --show-{config,deps} handlers to new module
commands: Move argument parser to commands module
config: Switch to ordered dict
spotify: Just check if we are connected, do not wait until timeout
commands: Use argparse to split config files into a list
command: Move override parsing into module
commands: Update override parsing tests
Merge pull request #441 from jodal/feature/argparse

Switch from optparse to argparse