Merge lp://staging/~bryce/gtg/import_json into lp://staging/~gtg/gtg/old-trunk

This adds a plugin for importing tasks from json formatted files.

Bryce, could you provide a sample of a json formatted file for tasks (so that we can try it)?
How are you planning to use this?

No problem. Example json files can be found at:
  http://people.canonical.com/~pitti/workitems/

The planned use for this is as follows. In Ubuntu each release cycle the Ubuntu developers write the feature development plans as "blueprints". Each blueprint has a set of tasks associated with them listed in its whiteboard, which are assigned to specific people. However, often an individual is assigned tasks on multiple different blueprints, which can be tough to keep track of. Fortunately, the tasks are published in a JSON file format at the above address, which this plugin downloads and parses.

[Obviously it would be most useful if this could also update the statuses of the blueprint tasks, but unfortunately that is a bit trickier since there is not an API to manipulate tasks in Launchpad (at least, not yet).]

An example blueprint with the tasks itemized:
https://blueprints.edge.launchpad.net/ubuntu/+spec/desktop-lucid-xorg-driver-selection-for-nvidia-hardware

I'm alright with this. But I guess once we'll have our "backend" feature, you should consider writing this plugin for it.

Agreed (We should really have a guide for gtg).

Arg. We don't use glade anymore (gtk-builder instead).
Since i'm doing little fixes to follow the other plugins standard (and setup.py...), I'll fix that.

Actually, it will need some changes in the function signatures, so it's better if you finish the conversion to gtk-builder yourself. follow the helloworld plugin.

I made some changed that you should merge: lp:~gtg-user/gtg/import_json
basically I've updated setup.py and MANIFEST.in to include your plugin in the package, added the gtk-builder interface file and added the dependencies in the plugin description.