[installer] [noobs] Update OS.json for Pi 1 and Pi 2

Signed-off-by: Sam Nazarko <email@samnazarko.co.uk>

Author: samnazarko

installer/noobs/os-pi1.json

@@ -1,9 +1,9 @@
 {
 	"name": "OSMC_Pi1",
 	"url":	"https://osmc.tv",
-	"version": "2015.11",
-	"release_date": "2015-11-29",
-	"kernel": "4.3.0",
+	"version": "2016.02",
+	"release_date": "2016-02-22",
+	"kernel": "4.4.1",
 	"description": "A fast and feature filled open source media center",
 	"username": "osmc",
 	"password": "osmc",

installer/noobs/os-pi2.json

@@ -1,9 +1,9 @@
 {
 	"name": "OSMC_Pi2",
 	"url":	"https://osmc.tv",
-	"version": "2015.11",
-	"release_date": "2015-11-29",
-	"kernel": "4.3.0",
+	"version": "2015.02",
+	"release_date": "2016-02-22",
+	"kernel": "4.4.1",
 	"description": "A fast and feature filled open source media center",
 	"username": "osmc",
 	"password": "osmc",