Added Ack plugin for vim

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "vim/bundle/snipmate"]
 	path = vim/bundle/snipmate
 	url = git://github.com/msanders/snipmate.vim.git
+[submodule "vim/bundle/ack"]
+	path = vim/bundle/ack
+	url = git://github.com/mileszs/ack.vim.git

vim/bundle/ack

@@ -0,0 +1 @@
+Subproject commit a41d5d52c39a31128e969e69acf800b198cb07f9