travis: Update .travis.yml.

.travis.yml

@@ -18,22 +18,24 @@ git:
 matrix:
   include:
   - os: linux
-    dist: xenial
+    dist: trusty
     compiler: g++-6
+    sudo: required
     addons:
       apt:
         sources:
         - ubuntu-toolchain-r-test
         packages:
-        - gcc-6
-        - g++-6
+        - ['gcc-6', 'g++-6']
+        - ['libssl-dev', 'libsodium-dev']
         - ['automake', 'autoconf', 'autoconf2.13', 'autoconf-archive', 'libtool', 'shtool']
     env:
     - CCOMPILER=gcc-6
     - CXXCOMPILER=g++-6
     - WITH_INCLUDED_BOOST=--with-included-boost
     - WITH_INCLUDED_ROCKSDB=--with-included-rocksdb=shared
-    - WITH_INCLUDED_JS=#--with-included-js=shared
+    - WITH_INCLUDED_JS=
+    # - WITH_INCLUDED_JS=--with-included-js=shared
 
 #  - os: linux
 #    dist: xenial
@@ -69,10 +71,6 @@ matrix:
 #
 #osx_image: xcode7.3
 
-cache:
-  apt:
-  ccache:
-
 script:
 - export CC=$CCOMPILER CXX=$CXXCOMPILER
 - git rev-parse --verify HEAD