add A3 (2016), A5 (2016) and update J7 page

Change-Id: Ia450ccfc347b55234a8f82d5670d85ffaf2e3fa8
diff --git a/_samsung/samsunggalaxyj7exynos.markdown b/_samsung/samsunggalaxyj7exynos.markdown
index 1ad1b37..0d2e1b1 100644
--- a/_samsung/samsunggalaxyj7exynos.markdown
+++ b/_samsung/samsunggalaxyj7exynos.markdown
@@ -1,10 +1,11 @@
 ---
 layout: device
-title:  "Samsung Galaxy J7 Exynos SM-J700"
+title: "Samsung Galaxy J7 Exynos SM-J700"
 codename: j7elte
 downloadfolder: j7elte
 supportstatus: Current
-maintainer: Dees_Troy
+maintainer: Stricted
+devicetree: "https://github.com/TeamWin/android_device_samsung_j7elte"
 oem: Samsung
 ddof: "/dev/block/platform/13540000.dwmmc0/by-name/RECOVERY"
 ---