server: restart camlistored from the /status handler

Fixes #558

Change-Id: I3f69ada01f958c5574d0116e78acea254a1c4430
Save selection state across navigations.

Bug: https://github.com/camlistore/camlistore/issues/552
Change-Id: I53b0035dd84d1263723ddbb18e6ca488cef7d406
Merge "Save selection state across navigations."
Increase size and padding of blob item checkmarks

Change-Id: I36bd82cd7cb0e1d57428734eff05133158b10a04
Merge "server: restart camlistored from the /status handler"
camput: s/name/title in usage string

fixes #544

Change-Id: Ie39e1fb1e26b80853f9d02d15187f221bf5dbaa6
blobserver/storagetest: make TestStreamer stricter, compares against Enumerator

Also then fix up diskpacked to work under these stricter rules.

Noticed this while working on blobpacked's tests and noticed them
surprisingly pass at one point. Now they no longer pass (as they
shouldn't yet, since parts are still TODO).

Updates #532

Change-Id: Ie05d19823453594486caf921cabbd149c43df221