docs: Correct Ubuntu installation instructions

Now should work with 18.04

Change-Id: I272c76ea93e1e075f5e162f868a859f207e2804e
diff --git a/.jenkins.d/10-build.sh b/.jenkins.d/10-build.sh
index 37a7f44..f0fb72e 100755
--- a/.jenkins.d/10-build.sh
+++ b/.jenkins.d/10-build.sh
@@ -14,7 +14,9 @@
 find . -name '*.pyc' | sudo xargs rm -f
 
 # Configure/build in debug mode
-export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/local/opt/libxml2/lib/pkgconfig"
+if has OSX $NODE_LABELS; then
+    export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/local/opt/libxml2/lib/pkgconfig"
+fi
 ./waf -j${WAF_JOBS:-1} configure -d debug --enable-examples --enable-tests $EXTRA_FLAGS
 ./waf -j${WAF_JOBS:-1} build
 
diff --git a/.travis.yml b/.travis.yml
index 127eddf..08e40e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,21 +1,21 @@
 sudo: required
 language: generic
+env:
+  global:
+    - WAF_JOBS=2
 matrix:
   include:
     - os: linux
-      dist: trusty
+      dist: xenial
       env:
         - CXX=g++
-        - NODE_LABELS="Linux Ubuntu Ubuntu-14.04"
-    - os: linux
-      dist: trusty
-      env:
-        - CXX=clang++
-        - NODE_LABELS="Linux Ubuntu Ubuntu-14.04"
+        - NODE_LABELS="Linux Ubuntu Ubuntu-16.04"
     - os: osx
+      osx_image: xcode10.1
       env:
         - CXX=clang++
-        - NODE_LABELS="OSX OSX-10.9"
+        - xcode10.1
+        - NODE_LABELS="OSX OSX_VERSION=10.13"
 notifications:
   email:
     on_success: always
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 153ffed..8bdfd9f 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -30,7 +30,7 @@
     'sphinx.ext.mathjax',
     'sphinxcontrib.doxylink',
     'sphinxcontrib.aafig',
-    # 'sphinxcontrib.googleanalytics',
+    'sphinxcontrib.googleanalytics',
     'sphinxcontrib.bibtex',
     'redmine_issue'
 ]
diff --git a/docs/source/getting-started.rst b/docs/source/getting-started.rst
index 07f295a..aa25b5e 100644
--- a/docs/source/getting-started.rst
+++ b/docs/source/getting-started.rst
@@ -4,16 +4,15 @@
 Portability
 ------------
 
-.. image:: https://travis-ci.org/named-data-ndnSIM/ndnSIM.svg?branch=test-travis-ci
+.. image:: https://travis-ci.org/named-data-ndnSIM/ndnSIM.svg?branch=master
     :target: https://travis-ci.org/named-data-ndnSIM/ndnSIM
 
 ndnSIM 2.x has been successfully compiled and used on following platforms:
 
-- Ubuntu Linux 16.04 (32- and 64-bit platform)
-- Ubuntu Linux 17.10 (64-bit platform)
-- macOS 10.11
-- macOS 10.12
+- Ubuntu Linux 18.04
+- Ubuntu Linux 16.04
 - macOS 10.13
+- macOS 10.14
 
 .. _requirements:
 
@@ -22,7 +21,7 @@
 
 **1. Core dependencies**
 
--  ``python`` >= 2.6
+-  ``python`` >= 2.7
 -  ``libsqlite3``
 -  ``pkg-config``
 -  ``openssl``
@@ -92,9 +91,8 @@
 
     .. code-block:: bash
 
-        sudo apt install python-dev python-pygraphviz python-kiwi python-pygoocanvas python-gnome2 python-rsvg ipython libcairo2-dev python3-gi libgirepository1.0-dev python-gi python-gi-cairo gir1.2-gtk-3.0 gir1.2-goocanvas-2.0
-        sudo easy_install pip
-        pip install pygraphviz pycairo PyGObject pygccxml
+        sudo apt install python-dev python-pygraphviz python-kiwi python-gnome2 ipython libcairo2-dev python3-gi libgirepository1.0-dev python-gi python-gi-cairo gir1.2-gtk-3.0 gir1.2-goocanvas-2.0 python-pip
+        sudo pip install pygraphviz pycairo PyGObject pygccxml
 
 .. _visualizer: https://www.nsnam.org/wiki/PyViz