Fix version string

Change-Id: If9630fab7c86ced61828c79092dde0eeaee2244e
push up version to 0.7

next alpha release

Change-Id: Icfd6541effff76e22ed6a1e67cdedf50ea8b8bff
Change how we change the lcd density

This allows us to edit the props without re-zipping

Change-Id: I6d59ecf79f765009e57deabccd5de074b7a7d006