Read packages from packages index (packages.json)

Read packages from packages index (packages.json) instead of finding
them recursively which would lead to old packages to be considered.
Added wifi detection and connection from within a settings activity.
Created floating keyboard.

Created a keyboard that will let us manipulate how it appears, as
opposed to the regular keyboard. It will be useful in situations like a
rotated window.
Keyboard completed.
Merge branch 'set-wifi'
Set as home screen.