Add 4 new devices

Cat B15q (b15q)
Oppo R7 Plus f (r7plusf)
Samsung Galaxy J7 Exynos SM-J700M (j7elte)
Sony Z3 Compact (z3c)

Change-Id: I1342f2a16a3e9f46e1b701fcec302312c54129a8
diff --git a/_devices/catb15q.markdown b/_devices/catb15q.markdown
new file mode 100644
index 0000000..ed3e5c3
--- /dev/null
+++ b/_devices/catb15q.markdown
@@ -0,0 +1,27 @@
+---

+layout: device

+title:  "Cat B15q"

+codename: b15q

+downloadfolder: b15q

+supportstatus: Current

+maintainer: None

+oem: Cat

+devicetree: https://github.com/TeamWin/android_device_cat_b15q

+ddof: "/dev/recovery"

+mtkchipset: mt6582

+---

+

+{% include disclaimer.html %}

+

+{% include supportstatus.html %}

+Note, you should be able to root this device using kingo root app.

+

+{% include appinstall.html %}

+

+{% include download.html %}

+

+{% include twrpinstall.html %}

+

+{% include ddinstall.html %}

+

+{% include mtkinstall.html %}