Add project delete thor task
Don't use ActiveRecord::Base#save! when creating records
Reraise JIRA::HTTPErrors with a helpful message
Add rake task for importing PRs in the foreground
Use default queue for jira delayed jobs
Remove jira client from jira handlers

None of them directly access the Jira API, so they don't need access to
the client.
Remove default Jira project

Trying to use a default jira project with an arbitrary set of projects
is almost certainly the wrong thing; this commit removes use of the
JIRA_PROJECT environment variable. If a github event is sent that
doesn't match a project, the event will fail.
Wrap jira-ruby errors so we don't leak implementation details
Consistently wrap jira-ruby issues in pull request handlers
Document pull request event, project class
Switch jira pull event handlers to access the all project state

Instead of looking up the same data over and over, we look it up once
and pass that state to consumers of project information
Update comments to use puppetlabs::project, extract issue matcher
Merge branch 'remove-default-jira-project'
(maint) stub out loggers during testing