Fix DKMS issues (#31)

Fix issues:
1) with the automatic driver building on the kernel upgrade on Ubuntu 
  and other systems without the "dkms_autoinstaller" service
2) with the module VERMAGIC (it was not emitted)

dkms.conf

@@ -1,10 +1,11 @@
 DEST_MODULE_LOCATION[0]="/extra"
-MAKE="make KERNELDIR=/lib/modules/${kernelver}/build"
-CLEAN="make clean"
+MAKE="make KERNELDIR=/lib/modules/${kernelver}/build KERNEL_VERSION=$kernelver"
+CLEAN="make clean KERNELDIR=/lib/modules/${kernelver}/build KERNEL_VERSION=$kernelver"
 BUILT_MODULE_NAME=xt_tls
 BUILT_MODULE_LOCATION=src/
 PACKAGE_NAME=xt_tls
-PACKAGE_VERSION=0.3.2
-REMAKE_INITRD=yes
+PACKAGE_VERSION=0.3.3
+#REMAKE_INITRD=yes
+AUTOINSTALL="no"
 POST_INSTALL=dkms/post-install.sh
 POST_REMOVE=dkms/post-remove.sh

src/xt_tls_main.c

@@ -450,5 +450,5 @@ module_exit(tls_mt_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Nils Andreas Svee <nils@stokkdalen.no>");
 MODULE_DESCRIPTION("Xtables: TLS (SNI) matching");
-MODULE_VERSION("0.3.1");
+MODULE_VERSION("0.3.3");
 MODULE_ALIAS("ipt_tls");