Bug 1070429 - [email/IMAP] premature saving leads to missing bodies. r=jrburke

propagate back-end fix
https://github.com/mozilla-b2g/gaia-email-libs-and-more/pull/343
Bug 1074028 - [Statusbar] Determine width using getBoundingClientRect on the urlbar. r=mhenretty

Conflicts:
	apps/system/style/statusbar/statusbar.css
	apps/system/test/unit/statusbar_test.js