Add sphinx api documentation
Add documentation generation script
RESULT_SEVERITY: Add tests
ConsoleOutputter: Mark _print_result translatable
ConsoleOutputter: Allow redirection to file
ConsoleOutputter: Add special case for file=None
ConsoleOutputter: Test print_result too
OutputterTest: Test LineResult on print_result too
BearRunnerTest: Fix invalid length check

https://github.com/sils1297/coala/issues/105
gitignore: Add coverage.xml
FileCollector: Remove unneeded brackets
ResultTest: Remove unneeded setUp()
ConfWriterTest: Correct name
Settings: Add list_delimiters param
Result: Add comparision routines
README: Add gitter badge
README: Use inline markup where appropriate
parsing: Add DefaultArgParser

This is the default argument parser that will be used for coala. It will
be used by the CliParser introduced in the next commit.
parsing: Add CliParser
CliParser: Add Tests