luarocks: bump to version 2.2.0beta1

this version includes a new default repository for rocks

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

Config.in

@@ -234,7 +234,7 @@ endif
 
 config BR2_LUAROCKS_MIRROR
 	string "LuaRocks mirror"
-	default "http://luarocks.org/repositories/rocks"
+	default "http://rocks.moonscript.org"
 	help
 	  LuaRocks repository.
 

package/luarocks/luarocks.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LUAROCKS_VERSION = 2.1.2
+LUAROCKS_VERSION = 2.2.0beta1
 LUAROCKS_SITE = http://luarocks.org/releases/
 LUAROCKS_LICENSE = MIT
 LUAROCKS_LICENSE_FILES = COPYING