Adding more missing libraries

.gitlab-ci.yml

@@ -13,9 +13,11 @@ test:centos6.6:
   before_script:
     - echo "Running global 'before_script'..."
     - yum -y -q -e 0 install tcl
-    - yum -y -q -e 0 install glibc-common glibc-devel
+    - yum -y -q -e 0 install glibc-common
+    - yum -y -q -e 0 glibc-devel
     - yum -y -q -e 0 install libjpeg-turbo
     - yum -y -q -e 0 install freetype
+    - yum -y -q -e 0 install libpng
     - mkdir -p /scicore/soft/modules
     - ln -s /export/soft/apps/centos6/generic /scicore/soft/apps
     - ln -s /export/soft/modules/centos6/generic/all /scicore/soft/modules
@@ -35,7 +37,6 @@ test:centos6.6:
     - echo "... done running global 'before_script'."
   script:
   - echo "Testing on CentOS 6..."
-  - ls /scicore/soft/apps/Python/2.7.5-goolf-1.4.10/lib/python2.7/site-packages/matplotlib-1.3.1-py2.7-linux-x86_64.egg/
   - echo "    Building OST..."
   - mkdir build-ci
   - cd build-ci