docs+ci: Remove support for 12.04 and switch to Ubuntu 14.04 with Travis-CI builds

Change-Id: Id7020b73ce2505565fa5f084d8ebeb6bfc9a2c42
diff --git a/.jenkins.d/01-deps.sh b/.jenkins.d/01-deps.sh
index 9d49b08..204336f 100755
--- a/.jenkins.d/01-deps.sh
+++ b/.jenkins.d/01-deps.sh
@@ -17,18 +17,7 @@
     set -x
     sudo apt-get update -qq -y
     sudo apt-get -qq -y install build-essential
-    sudo apt-get -qq -y install libssl-dev libsqlite3-dev libcrypto++-dev
-
-    if has Ubuntu-12.04 $NODE_LABELS; then
-        sudo apt-get install -qq -y python-software-properties
-        sudo add-apt-repository -y ppa:boost-latest/ppa
-        sudo apt-get update -qq -y
-        sudo apt-get install -qq -y libboost1.55-all-dev
-        sudo apt-get install -qq -y python-gnomedesktop
-    else
-        sudo apt-get install -qq -y libboost-all-dev
-    fi
-
+    sudo apt-get -qq -y install libssl-dev libsqlite3-dev libcrypto++-dev libboost-all-dev
     sudo apt-get install -qq -y python-setuptools python-dev python-pygraphviz python-kiwi
     sudo apt-get install -qq -y python-pygoocanvas python-gnome2
     sudo apt-get install -qq -y python-rsvg ipython