[A] Added doc build

.travis.yml

@@ -1,20 +1,23 @@
 language: C
 matrix:
   include:
-    - os: linux
+    - name: "Basic linux gcc"
+      os: linux
       sudo: false
       compiler: gcc
       before_script:
         - pip install --user cpp-coveralls
       after_success:
         - coveralls --build-root build --include src --include tests  --gcov-options '\-lp'
-    - os: linux
+    - name: "Basic linux clang"
+      os: linux
       sudo: required # to prevent fail of executables build with clang and sanitizers
       compiler: clang
       env: CC=clang
       
     # Linux / GCC
-    - os: linux
+    - name: "Linux gcc-4.9"
+      os: linux
       sudo: false
       compiler: gcc
       env: 
@@ -25,7 +28,8 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-4.9']
 
-    - os: linux
+    - name: "Linux gcc-5"
+      os: linux
       sudo: false
       compiler: gcc
       env: 
@@ -36,7 +40,8 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-5']
 
-    - os: linux
+    - name: "Linux gcc-6"
+      os: linux
       sudo: false
       compiler: gcc
       env: 
@@ -47,7 +52,8 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-6']
 
-    - os: linux
+    - name: "Linux gcc-7"
+      os: linux
       sudo: required
       compiler: gcc
       env: 
@@ -58,7 +64,8 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-7']
 
-    - os: linux
+    - name: "Linux gcc-8"
+      os: linux
       sudo: required
       compiler: gcc
       env: 
@@ -70,15 +77,18 @@ matrix:
           packages: ['g++-8', 'cppcheck', 'doxygen']
 
     # OSX / Clang
-    - os: osx
+    - name: "OSX xcode7.3"
+      os: osx
       osx_image: xcode7.3
       env: CC=clang
 
-    - os: osx
+    - name: "OSX xcode8.3"
+      os: osx
       osx_image: xcode8.3
       env: CC=clang
 
-    - os: osx
+    - name: "OSX xcode9.3"
+      os: osx
       osx_image: xcode9.3
       env: CC=clang
       
@@ -209,7 +219,13 @@ script:
 
 
 
-
+deploy:
+  provider: pages
+  skip_cleanup: true
+  local_dir: $TRAVIS_BUILD_DIR/docs/html
+  github_token: $GITHUB_API_KEY
+  on:
+    branch: deploy-doxy