adding some aliases and cleaning-up indentation

.gitconfig

@@ -14,12 +14,14 @@
     br = branch
     ci = commit
     st = status
+    ls = log --oneline
+    caa = commit -a --amend -C HEAD
     unstage = reset HEAD --
     last = log -1 HEAD
     undo = reset --soft HEAD^
     amend = commit --amend
-	random = !"git add -A; git commit -am \"$(echo $(curl -s http://whatthecommit.com/index.txt)\" (http://whatthecommit.com)\")\""
-	deliver = "!bash ~/builds/git-deliver/deliver.sh"
+    new = !sh -c 'git log $1@{1}..$1@{0} "$@"'
+    bclean = "!f() { git branch --merged ${1-master} | grep -v " ${1-master}$" | xargs -r git branch -d; }; f"
 
 [color]
     branch = auto