Minimal gcc 4.9 Travis build coverage

Author: nigels-com

.travis.yml

@@ -0,0 +1,20 @@
+language: cpp
+
+sudo: false
+
+os:
+  - linux
+
+compiler:
+  - g++-4.9
+
+script:
+  - make CXX=g++-4.9 test
+
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - gcc-4.9
+    - g++-4.9