first method works for me.
but i didnt want to leave supersu a standard user app,, i wanted it a system app.
i used the second method. i can confirm that its working too
A Noob that reads and learn !!
Current device: back to the good old G2
Nokia: N900 - N9 - Lumia 900 - Lumia 1520
HTC : Leo HD2 - HD7 - Wildfire S - Sensation XE - One X
Google: Nexus One - Galaxy Nexus - Nexus 4 - Nexus 5
Samsung: S2 - S3 - S4 - Note 1 - Note 2 - Mega 6.3
LG : Optimus G Pro - G2