Storage Settings: Allow user to trigger a volume rescan

This change allows to trigger a rescan of a volume with the next restrictions:

- Internal volumes if they are emulates
- Primary volumes
- Non-Removable volumes

Requires http://review.cyanogenmod.org/#/c/44585/

Change-Id: I42aebc9fc0d3530cf0a3efb4d2139b688707d43d
JIRA: CYAN-1391
Issue: https://jira.cyanogenmod.org/browse/CYAN-1391
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Settings: PT-BR update translations

Change-Id: I47bcc64f69884397ed53de82ac45f439a07f377e
Settings : FR translation

-Add new translation
Patch set 2 : rebase and add new translation
Patch set 3 : correction
Patch set 4 : correction
Patch set 5 : correction
Patch set 6 : Better translation
Patch set 7 : rebase and add new translation

Change-Id: I11387f21fa3c58d502cafe2cdfb2165f511946a9
couple minor poly changes
Revert "couple minor poly changes"

This reverts commit 61daf4ce49df6946a4247ae1a163a0cec33b34bd.
small poly edit
Merge branch 'cm-10.1' of https://github.com/PolyculeRom/android_packages_apps_Settings into cm-10.1