Add new devices and update mirror descriptions

Change mirror descriptions to Americas and Europe instead of primary
and backup.

Add new devices:
-Hyundai Titan LTE
-LG K10
-Samsung Galaxy S5 Exynos
-Samsung Galaxy S5 LTE-A
-Samsung Galaxy S5 Plus (update maintainer)

Change-Id: I8eb4144880ec2aa25742d9cf87e0e601e015de74
diff --git a/_devices/samsunggalaxys5exynos.markdown b/_devices/samsunggalaxys5exynos.markdown
new file mode 100644
index 0000000..58872c4
--- /dev/null
+++ b/_devices/samsunggalaxys5exynos.markdown
@@ -0,0 +1,27 @@
+---
+layout: device
+title: "Samsung Galaxy S5 Exynos"
+codename: k3gxx
+downloadfolder: k3gxx
+oldurl: http://teamw.in/project/twrp2/229
+supportstatus: Current
+maintainer: somadsul
+oem: Samsung
+ddof: "/dev/block/mmcblk0p10"
+devicetree: "https://github.com/TeamWin/android_device_samsung_k3gxx"
+xdathread: "https://forum.xda-developers.com/galaxy-s5/galaxy-s-5-android-development-exynos/recovery-twrp-galaxy-s5-k3gxx-t3464750"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include appinstall.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include odininstall.html %}
+
+{% include ddinstall.html %}