[WIP] get more stuff working...
Config lives @ ~/.fbjira.toml:
jira_host = "<your-jira-host>"
jira_user = "<your-jira-user>"
jira_token = "<your-jira-token>"
fbjira issue list-open <PROJECT> to list all open issues for <PROJECT>
fbjira issue summary <ISSUE> to get summary for <ISSUE>