rename status terms for clarity ( bug 895560)


![screen shot 2013-10-16 at 6 32 16 pm](https://f.cloud.github.com/assets/674727/1348578/fb2cb0ea-36cb-11e3-956f-4fc09603a3b6.png)

https://bugzilla.mozilla.org/show_bug.cgi?id=895560

Fully Reviewed => Published
Disabled by Mozilla => Obsolete
Approved but waiting => Approved but unpublished

Passing Test Suites

- apps.files
- apps.versions
- mkt.developers
- mkt.reviewers

Manually tested by submitting a packaged app, publishing the app, uploading new versions of the app, disabling the app.