Revert "Revert "Navigation bar buttons customization""

This reverts commit 1b56304c9d738149bddadedaaa1375ed4a7d97df.
Use holo alert drawable for nav bar editor
'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