update packs
update a bunch of stuff - specifically upgrade to CIDER 0.7.

Also - enable display of exceptions in CIDER now it works with popwin nicely.
enable stacktrace popup for cider

(unsure how this got reverted!)
update submodules and other work :-)
update stable packs for new release
update to beta-25
Added my packs/live/user-pack.
Added symlink to yasnippet-java-mode.
Added extra keymapping for running in tmux.
Removed haskell-mode stuff that isn't needed anymore.
Removed custom erlang/otp path from user-pack's init.el