CMFileManager: Update strings

Change-Id: I5cd8733d1c1f6725fa4e0da714bc408bbf3ee2c0
cmfm: tweak flingerlistview

Change-Id: I40db908153a469f43df93b266eb86ffde2b098f4
JIRA: CYAN-4451
Issue: https://jira.cyanogenmod.org/browse/CYAN-4451
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
cmfm: create new activity stack when opening a new external intent

This change creates a new stack for the activity opened, so CMFM will not
be linked to the new activity

Change-Id: Ibbdc48d706698b296e27f49272e811d47d54a905
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>