Trying to use Docker

Author: Kirill Kornyakov

.travis.yml

@@ -1,10 +1,15 @@
 language: cpp
+sudo: false
 compiler:
   - gcc
   - clang
-before_install: sudo apt-get update -qq
-install:
-  - sudo apt-get install -qq libopencv-dev
+# before_install: sudo apt-get update -qq
+# install:
+#   - sudo apt-get install -qq libopencv-dev
+addons:
+  apt:
+    packages:
+    - libopencv-dev
 before_script:
   - mkdir ./build
   - cd ./build