[travis] Build_type is now MinSizeRel to optimize the comsumption of RAM...

[travis] Build_type is now MinSizeRel to optimize the comsumption of RAM during process in order to avoid crashes during travis builds. Display memory during build to track RAM information. Reduce number of dependencies

.travis.yml

 language: cpp
 sudo: required
 compiler:
-# - gcc
-- clang
+- gcc
+# - clang
 env:
   global:
     - secure: "SnIBG/xLIHX3CSvUbqqsX8xTVqIqQ7fFS6HWO6KZQVBsT6yugTwYHbyhNiU531JejYJ/I3ZrDhXfYH3qFZiYxnH1sifvwV+fnTtMXpPN7qPZwIymkjcmm6gJF51e0C7VOfUbvKFv0ngwj+ul21rgZSMuoEvxPK0WxtE3/ZSfn9c="
-    - "APT_DEPENDENCIES=doxygen doxygen-latex libboost-all-dev libeigen3-dev liblapack-dev libblas-dev gfortran python-dev python-sphinx"
+    - "APT_DEPENDENCIES=doxygen libeigen3-dev "
     - DEBSIGN_KEYID=5AE5CD75
   matrix:
     # - BUILDTYPE=Release
-    - BUILDTYPE=Debug
+    # - BUILDTYPE=Debug
+    - BUILDTYPE=Minsizerel
 notifications:
 email:
 - hpp-source@laas.fr
@@ -24,6 +25,7 @@ allow_failures:
 - compiler:
 script:
   - export CMAKE_ADDITIONAL_OPTIONS="-DCMAKE_BUILD_TYPE=${BUILDTYPE}"
+  - sudo free -m -t
   - ./.travis/run ../travis_custom/custom_build
 after_success: ./travis/run after_success
 after_failure: ./.travis/run after_failure

travis_custom/custom_before_install

@@ -8,8 +8,11 @@ set -v
 # Add robotpkg 
 sudo sh -c "echo \"deb http://robotpkg.openrobots.org/packages/debian precise robotpkg\" >> /etc/apt/sources.list "
 
+# show memory usage before install
+sudo free -m -t
+
 # Setup environment variables.
-export APT_DEPENDENCIES="doxygen doxygen-latex libboost-all-dev libeigen3-dev liblapack-dev libblas-dev gfortran python-dev python-sphinx libtinyxml-dev robotpkg-urdfdom "
+export APT_DEPENDENCIES="doxygen libboost-dev libboost-doc libboost-thread-dev libboost-system-dev libboost-test-dev libboost-filesystem-dev libboost-python-dev libboost-program-options-dev libeigen3-dev libtinyxml-dev robotpkg-urdfdom "
 curl http://robotpkg.openrobots.org/packages/debian/robotpkg.key | sudo apt-key add -
 . ./.travis/run before_install