Bump jruby 1.7 to .18

Signed-off-by: Brian Goff <[email protected]>

library/jruby

@@ -1,9 +1,9 @@
 # maintainer: Brian Goff <[email protected]> (@cpuguy83)
 
-1.7: git://github.com/cpuguy83/docker-jruby@91121cfab001cb5717097f025b0fcbc5c092a0ce 1.7
-1.7.17: git://github.com/cpuguy83/docker-jruby@91121cfab001cb5717097f025b0fcbc5c092a0ce 1.7
-latest: git://github.com/cpuguy83/docker-jruby@91121cfab001cb5717097f025b0fcbc5c092a0ce 1.7
+1.7: git://github.com/cpuguy83/docker-jruby@e7af3d9a85d166f3dd4b600a629908bd05639fb5 1.7
+1.7.18: git://github.com/cpuguy83/docker-jruby@e7af3d9a85d166f3dd4b600a629908bd05639fb5 1.7
+latest: git://github.com/cpuguy83/docker-jruby@e7af3d9a85d166f3dd4b600a629908bd05639fb5 1.7
 
-1.7-onbuild: git://github.com/cpuguy83/docker-jruby@91121cfab001cb5717097f025b0fcbc5c092a0ce 1.7/onbuild
-1.7.17-onbuild: git://github.com/cpuguy83/docker-jruby@91121cfab001cb5717097f025b0fcbc5c092a0ce 1.7/onbuild
+1.7-onbuild: git://github.com/cpuguy83/docker-jruby@e7af3d9a85d166f3dd4b600a629908bd05639fb5 1.7/onbuild
+1.7.18-onbuild: git://github.com/cpuguy83/docker-jruby@e7af3d9a85d166f3dd4b600a629908bd05639fb5 1.7/onbuild