Add ability to load queries from jira-ui-config.yml
Add ability to load queries from jira-ui-config.yml

Queries should be configurable on a per-user per-directory basis, a'la the go-jira
configs.

Nice that this basically just works, bar the pretty grim type conversions due to
receiving them via parseYAML :(

some refactoring needed, but it works.

mikepea/go-jira-ui,mikepea/tessen