Merge remote-tracking branch 'db48x/minimizable' into minimizable
Fix bug in task count.
Remove capital from help message.
Add debugging option --keep-data. (Closes #4.)
Use keep-data option in run-pipeline.
Merge branch 'master' into development
Merge branch 'master' into development

Conflicts:
	seesaw/public/script.js
Add --address option to run-warrior.
Separate advanced and basic settings.
Add HTTP Basic authentication.
Accept extra task attributes in GetItemFromTracker.
Report warrior VM build to the tracker.
Add a stdin connection to Wget.
Check --projects-dir and --data-dir.
Improved task exception handling.

If there is an exception in one of the tasks for an item,
the system should now fail the item and start a new item
after a delay of 10 seconds.

Closes #14.
Fix previous commit.
run-warrior and run-pipeline print a message.
Run each item on a clean stack.
Add an immediate shutdown button.
Add an explanation to the rate limiting message.