Add overflow popup menu with share and rate actions

	modified:   java/info/tellmetime/PanelHider.java
	modified:   java/info/tellmetime/TellmetimeActivity.java
	new file:   res/drawable-hdpi/ic_action_overflow.png
	new file:   res/drawable-hdpi/ic_action_rate.png
	new file:   res/drawable-hdpi/ic_action_share.png
	new file:   res/drawable-mdpi/ic_action_overflow.png
	new file:   res/drawable-mdpi/ic_action_rate.png
	new file:   res/drawable-mdpi/ic_action_share.png
	new file:   res/drawable-xhdpi/ic_action_overflow.png
	new file:   res/drawable-xhdpi/ic_action_rate.png
	new file:   res/drawable-xhdpi/ic_action_share.png
	new file:   res/drawable-xxhdpi/ic_action_overflow.png
	new file:   res/drawable-xxhdpi/ic_action_rate.png
	new file:   res/drawable-xxhdpi/ic_action_share.png
	modified:   res/layout/activity_tellmetime.xml
	new file:   res/menu/menu.xml
	modified:   res/values/strings.xml
	modified:   res/values/styles.xml