Update system install to set safer access rights.

Update system install of su to set safer access rights.
Merge pull request #103 from sparkym3/patch-1

Update system install to set safer access rights.
whatsnew

Change-Id: I001f5985e99541b0d332df5caaf7d7d5fd39c4ed
be verbose about the dark/light activity themes

Change-Id: I0c25d97cb8328b8d04e8feb08e6c1f60e12051dc
fix the pin protect screen to be a proper dialog on tablets.

Change-Id: I5e04215a2a8da7205be1ae738a371b607275dfcd
make the process of removing pin protection more apparent.

Change-Id: I21f325e1814e940e69158552aa27822bc4c4eb54
Merge remote-tracking branch 'upstream/master'