Re-enable io2014 + add cds2014 tests for devenv.

ports/devenv-latest/build.sh

 # 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.
 
 BuildStep() {
   # Build a local package index of pkg files
   Banner "Building pkg for host"
   ${NACL_SRC}/build_tools/build_repo.sh -l
 }
 
@@ skipping 11 matching lines @@
   elif [[ ${NACL_ARCH} == pnacl ]]; then
     arches="i686 x86_64"
   else
     arches="${NACL_ARCH}"
   fi
   for arch in ${arches}; do
     LogExecute python ${START_DIR}/../devenv/devenv_large_test.py \
       -p latest=1 \
       -C ${NACL_SRC}/out/publish \
       -x -v -a ${arch}
-    # TODO(bradnelson): Enable this when dependencies are right.
-    #LogExecute python ${START_DIR}/../devenv/io2014_test.py \
-    #  -p latest=1 \
-    #  -C ${NACL_SRC}/out \
-    #  -x -v -a ${arch}
+    LogExecute python ${START_DIR}/../devenv/demo2014_test.py \
+      -p latest=1 \
+      -C ${NACL_SRC}/out \
+      -x -v -a ${arch}
   done
 }