Remove space-pen dependency in package-spec.coffee
Remove space-pen dependency in package-spec.coffee

git-notes/git-notes,liuxiong332/xmail,xmail-client/xmail,git-notes/git-notes,liuxiong332/xmail,liuxiong332/xmail,xmail-client/xmail,liuxiong332/xmail,git-notes/git-notes,xmail-client/xmail,xmail-client/xmail,xmail-client/xmail,liuxiong332/xmail