Add a piggy menu item to go to the sync status page.

Also add support for piggy menu items that are just links. Links are
nice because you can right-click 'em and so on.

Change-Id: I0cfb4ba6f58141ee396916925793a06033457028
Merge "Add a piggy menu item to go to the sync status page."
Fix UI refresh when you don't have websocket support.

I broke this in an early CL. Damn you JavaScript and your non-compiling.

Change-Id: I796bb19855802d7663e0aed9c7e30ddcc4061b44
Add importers to status.

For http://camlistore.org/issue/483

Change-Id: I2621c5484efb121a5e5e24debeff64ffc5139ad3
Merge branch 'master' of https://camlistore.googlesource.com/camlistore