Add showdown library for Markdown parsing.
Add markdown directive and use it for job description.
Add help_text mentioning Markdown syntax.
Cleanup job details.
Show next scheduled runs for job.
Cache groups. Show text when no runs are scheduled.
Remove typo.
Increase API page size.
Bump version.
Show the user a warning when there are no projects.
Don't show Dashboard / Jobs links in the nav when no project has been selected.
Update CSS class names.
Merge pull request #67 from brocaar/misc_improvements

Misc improvements