kernel: update 3.18 to rc7

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43479 3c298f89-4303-0410-b956-a3cf2f4a3e73
fstools: make the block tool ignore case when comparing uuid strings

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43480 3c298f89-4303-0410-b956-a3cf2f4a3e73
malta: set 3.14 as default

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43481 3c298f89-4303-0410-b956-a3cf2f4a3e73