Statusar: bring back Network indicators [1/2]

source by chameleonos - omnirom - simpleaosp - optipop
(thanks for sharing your works, guys! )

ezio84: change  attr "min" to "minim" ("min" is
already declared)

Change-Id: Ic3ec9f2826060a188d5c01dce40a9a3f1b54c49e
Unknown source apps: enable apk installation by default

less stuff to enable, more comfort :D

Change-Id: Iac4a1df3f294c67f5c95775e6a7a6695d873608d