CRM-15293 -- Add documnetation block for all CiviCRM commands.  Add alias of cv so that both 'wp civicrm' and 'wp cv' will execute.  TODO: Add detailed examples of each comand.  Long Term TODO: Enable subcommands so that help is available one command at a time.
Merge pull request #56 from kcristiano/4.5-cli

CRM-15293 -- Add documnetation block for all CiviCRM commands.  Add alia...