Added travis-ci support.

.travis.yml

@@ -0,0 +1,26 @@
+language: cpp
+cache:
+  - apt
+compiler:
+  - clang
+  - gcc
+before_install:
+# We need this line to have g++4.8 available in apt
+  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+  - sudo apt-get update -qq
+  - sudo apt-get update
+  - sudo apt-get install libgtest-dev
+  - "cd /usr/src/gtest && sudo cmake . && sudo cmake --build . && sudo mv libg* /usr/local/lib/ ; cd -"
+install:
+  - sudo apt-get install -qq gcc-4.8 g++-4.8
+# We want to compile with g++ 4.8 when rather than the default g++
+  - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 90
+
+env:
+  - ACTION="ci/build_autotools.sh" PARAM="cpp11"
+  - ACTION="ci/build_autotools.sh" PARAM="cpp03"
+  - ACTION="ci/build_cmake.sh"     PARAM="cpp11"
+  - ACTION="ci/build_cmake.sh"     PARAM="cpp03"
+
+script:
+  - git clean -xdf && ${ACTION} ${PARAM}