ipsec-tools: fix compilation against Linux 3.7, refresh patches

git-svn-id: svn://svn.openwrt.org/openwrt/packages@35312 3c298f89-4303-0410-b956-a3cf2f4a3e73
Kill obsoleted 6scripts


git-svn-id: svn://svn.openwrt.org/openwrt/packages@35313 3c298f89-4303-0410-b956-a3cf2f4a3e73
Merge remote-tracking branch 'upstream/master'