Checkstyle-cli

Feat

- Add -f option to choose output format
- Add -o option to output log file

Fix

- Resolve Nonetype error that occur when argument of parser is no default value

Refactor

- Update help messages of options
- Add default value to format option of parser

Feat

- Add debug options to print debug logs

Fix

- Update test_parser to resolve assertion error

Refactor

- Change args to kwargs for command execution
- Update run_command function to add files param

Fix

- Resolve no module named error while deploying readthedocs
- Resolve '_static' does not exist error

Refactor

- Rename param in run_command function

Feat

- Change fetch dir to build_temp
- Fetch binary on file on build time
- Print errout if it exist
- Add version option to check program version
- Rename option for setting runtime version to checkstyle_version
- Add default_runtime variable

Fix

- Resolve fail to download binary of latest version

Refactor

- Update setup.py to override install class
- Change option for setting runtime to --runtime-version
- Rename path params to fetch_dir or cache_dir
- Add path param to file check method
- Change target param to filename and path
- Change methods to static method

Fix

- Resolve comparative operator error

Feat

- Change default option of config to google
- Add config options to parser
- Change default option of version to latest
- Add latest option to parser

Refactor

- Change checkstyle cache path