Trebuchet: Labels on dock items

Patchset 4: Discard item scale and use paddings to adjust the workspace
Patchset 5: mHideDockIconLabels = false on vertical hotseat
Patchset 6: Fixed FolderIcon typo
            Fixed inline style
            Remove Workspace injection on Launcher class
            Use isLargeScreen to show text in vertical hotseat

Change-Id: I055817d30e95ea7f5beaa7e7bdb242c6e887d2fd
JIRA: CYAN-523
Issue: https://jira.cyanogenmod.org/browse/CYAN-523
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>