Pulling in newer packages, add emacs to the defaults.

ports/devenv/install-base-packages.sh

 #!/bin/bash
 # Copyright (c) 2014 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This is for bash on NaCl. Note that you cannot use external commands
 # until the installation is completed. Also, you cannot use features
 # which nacl_io does not support yet (e.g., pipes and sub-shells).
 
 set -e
@@ skipping 60 matching lines @@
     pkg update
   fi
 
   echo "===> Installing extra packages"
   local extra_packages="
     findutils \
     grep \
     less \
     nano \
     python \
+    emacs \
     vim"
   pkg install -y -U $extra_packages
 
   local have_gcc=0
   if [[ ${TOOLCHAIN} == glibc ]]; then
     if [[ ${NACL_ARCH} == i686 || ${NACL_ARCH} == x86_64 ]]; then
       echo "===> Installing compiler packages"
       dev_packages+=" \
     binutils \
     gcc \
     mingn"
       have_gcc=1
       pkg install -y -U $dev_packages
     fi
   fi
 
   if [[ ${have_gcc} == 0 ]]; then
     echo "WARNING: \
 emacs and gcc not yet available for your platform (coming soon)."
   fi
 }
 
 CheckNaClEnabled
 InstallBasePackages $@