travis: Add node-10 remove 0.8

Change-Id: I96b7572a1872691dab80af70f1ebc811a50438fb
Signed-off-by: Philippe Coval <p.coval@samsung.com>

.travis.yml

@@ -3,12 +3,12 @@ os:
   - osx
 language: cpp
 env:
-  - NODE_VERSION="0.8"
   - NODE_VERSION="0.10"
   - NODE_VERSION="0.12"
   - NODE_VERSION="4"
   - NODE_VERSION="6"
   - NODE_VERSION="8"
+  - NODE_VERSION="10"
 matrix:
   fast_finish: true
 before_install:
@@ -19,10 +19,6 @@ before_install:
   - if [ $TRAVIS_OS_NAME == "linux" ]; then
       export CC="g++-4.8";
     fi
-  - if [ $NODE_VERSION == "0.8" ]; then
-      npm config set strict-ssl false
-      npm install -g npm@2;
-    fi
 install:
   - npm install
 script: