Set upload env. variable in travis env since the cmake version on Travis is too old

.travis.yml

@@ -7,6 +7,8 @@ before_install:
  - sudo apt-get install -qq build-essential libqt4-dev libqt4-opengl-dev libxmu-dev cmake bison flex git-core libboost-all-dev libXi-dev libmpfr-dev libboost-dev libglew-dev libeigen2-dev libeigen3-dev libcgal-dev libgmp3-dev libgmp-dev python-paramiko curl imagemagick
  - sudo apt-get install -qq libopencsg-dev
 
+env: OPENSCAD_UPLOAD_TESTS=yes 
+
 branches:
   only:
     - travis

scripts/travis-ci.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 cd tests
-cmake -DOPENSCAD_UPLOAD_TESTS=yes . 
+cmake . 
 if [[ $? != 0 ]]; then
   echo "Error configuring test suite"
   exit 1