Fix the icon size in app lists.

E.g. the "Select app" dialog in the profile group configuration uses
this layout to inflate the list dialog. However app icons can have
non-standard sizes so we enforce a consistent width and height.

Change-Id: I71731a9bb3548c699cc2e0e600a5ff371ceacbc3
'When to daydream' dialog does not follow the JB dialog design guide

The dialog is a single selection popup and according to the
dialogs design guide the popup should close when the user
has make his/her choice, but in this case it does not.

Change-Id: Iac6bc19146a88236d3253d2d846212ce09b4925b
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

Ported from: http://review.cyanogenmod.org/44586

Change-Id: I7e75a324938d8081fd715f702d50f1fdceabd96d

Conflicts:
	res/values/cm_strings.xml