try gfortran-5 for travis builds.

Author: jacobwilliams

.travis.yml

@@ -18,7 +18,7 @@ addons:
       - kalakris-cmake
       - ubuntu-toolchain-r-test
     packages:
-      - gfortran-4.9
+      - gfortran-5
       - binutils
       - cmake
       - python-pip
@@ -42,7 +42,7 @@ env:
 
       # build with build.sh, make documentation, run unit tests and perform coverage analysis
     - >
-      BUILD_SCRIPT="./build.sh --coverage --skip-documentation &&
+      BUILD_SCRIPT="gfortran --version && ./build.sh --coverage --skip-documentation &&
       ./build.sh --coverage --enable-unicode"
       CODE_COVERAGE="yes"
       DEPLOY_DOCUMENTATION="yes"