fix(formatting): new lines

[curbengh]

Expected:

$ hexo -h
Usage: hexo <command>

Commands:
  help     Get help on a command.
  init     Create a new Hexo folder.
  version  Display version information.

Global Options:
  --config  Specify config file instead of using _config.yml
  --cwd     Specify the CWD
  --debug   Display all verbose messages in the terminal
  --draft   Display draft posts
  --safe    Disable all plugins and scripts
  --silent  Hide output on console

For more help, you can use 'hexo help [command]' for the detailed information
or you can check the docs: http://hexo.io/docs/

Actual:

$ hexo -h
Usage: hexo <command>

Commands:
  help     Get help on a command.  init     Create a new Hexo folder.  version  Display version information.
Global Options:
  --config  Specify config file instead of using _config.yml  --cwd     Specify the CWD  --debug   Display all verbose messages in the terminal  --draft   Display draft posts  --safe    Disable all plugins and scripts  --silent  Hide output on console
For more help, you can use 'hexo help [command]' for the detailed information
or you can check the docs: http://hexo.io/docs/

[coveralls]

Coverage increased (+0.2%) to 85.102% when pulling 1241690 on curbengh:newline into da3b091 on hexojs:master.