Adding latex autocomplete and update install header
Merge branch 'master' of github.com:subfusc/submacs

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
Spellingerror fixed. :)
Fiksing so that autocomplete is not global, but in the modes that we have autcomplete setups for.
Adding TODO file
Updating README