Revert "remove .travis.yml until issues with boost 1.54 (default on ubuntu 14.04) have been fixed"

This reverts commit 73d159f449.

.travis.yml

@@ -0,0 +1,31 @@
+language: generic
+sudo: false
+dist: trusty
+
+addons:
+  apt:
+    sources:
+      - boost-latest
+      - ubuntu-toolchain-r-test
+    packages:
+      - gcc-5
+      - g++-5
+      - libboost1.56-all-dev
+      - cmake
+
+env:
+    - CC=gcc-5 CXX=g++-5
+
+before_script:
+  - mkdir build
+  - cd build
+  - cmake ..
+
+script:
+  - make -j4
+  - make test
+
+notifications:
+  email:
+    on_success: never
+    on_failure: never