Add initial travis configuration

.travis.yml

+dist: trusty
+language: cpp
+
+addons:
+    apt:
+        packages:
+            - libcppunit-dev
+            - libboost-dev
+
+os:
+    - linux
+
+compiler:
+    - gcc
+
+before_install:
+  # C++14
+  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+  - sudo apt-get update -qq
+
+install:
+  # C++14
+  - sudo apt-get install -qq g++-5
+  - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 90
+  - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 90
+
+script:
+    - ./autogen.sh
+    - ./configure --enable-test
+    - make
+    - make check