Reboot dialog fixes

Reboot dialog could not show up if the PowerMenu has not been called yet.
Also respect "show reboot on Lockscreen" setting of PowerMenu.

PS2: Formatting fix

Change-Id: If544575f0716be70b6a48d32ee273de0188c47a5
Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>
policy: add missing spacer view

Statusbar and toggle views were squished together,
looks like this got left out.

Change-Id: I0a580662fa75d3b430536b6820df9d040eb51384
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Allow theming of lockscreen

Change-Id: I10799482e0b393746b4c9818f94862109fac6006
NavRing: fix icon size

This will add some icon resizing if the app icon is
bigger than the standard icon for the divice density.

Change-Id: I1a816eccd3c77158a0c9c7631c3a7334b4fb3c24
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>