travis works again

Author: MRKonrad

.travis.yml

@@ -12,17 +12,16 @@ compiler:
   - gcc
   # - clang
 
+# Blacklist the documentation branch
 branches:
-  # Blacklist the documentation branch
   except:
     - gh-pages
 
 # Environment variables
 env:
-# VXL c++11 needs cmake 3.9.5, which is not installed on travis. TODO: fix it
   matrix:
     - CXX_STANDARD=98
-#    - CXX_STANDARD=11
+    - CXX_STANDARD=11
   global:
     - GH_REPO_NAME: Tomato # used in documentation script
     - DOXYFILE: $TRAVIS_BUILD_DIR/Doxyfile # used in documentation script