Launcher3 : Default workspace improvements

Ported from cm-10.2

Adds support for fallback in default_workspace

Change-Id: I2590ae2d5e3c1b6124061581b9ffa206d611c608
Trebuchet: Default workspace fixes

* Replace AnalogClockWidget by cLock Widget
* Add "no telephony" workspaces files. New favorites:
    - Phone -> Email
    - Contacts -> Calendar
    - Mms -> Contacts
    - Browser -> Browser
* Add sw600dp and sw700dp update workspaces files

Change-Id: I41e81f908339b68df8109611c88ee092b4ab7b9d

Conflicts:
	res/xml/default_workspace.xml
Launcher3 : Port default workspace

Port default workspace from cm-10.2

Change-Id: Ia817baef17e2edc8c384d215f2d2cba07dd21be9

Conflicts:
	res/values/cm_strings.xml
Launcher3 : Make priveleged app

Enable LOCAL_PRIVILEGED_MODULE for launcher.
This seems to be required to gain widget priveleges by default.

Change-Id: Iae2ce085129b39bcc3591ced5f7938d63cebf722
Launcher3 : checkItemPlacement fixes

This patchset addresses two bugs :

1) Incorrect casting of key causes mismatches
2) On hotseat items 2 and above, the occupied hashmap is populated
with the CONTAINER_HOTSEAT key, however if its a new item and its required
cell is not already been taken, the code falls through to the workspace checks.
Make sure hotseat items are treated separately.

Change-Id: I3f22e46940f62a223453bd05314eae2a642c899a
Launcher3 : Enable cling for all devices

Don't limit cling to just phones

Change-Id: If5c1cf4ae39e5dbbac4b3d1a8d2620d365939252