Add msgpack as a dependency

.gitlab-ci.yml

 image: gcc
 
 before_script:
- - apt-get update -qq && apt-get install -y -qq g++ cmake libopencv-dev libgoogle-glog-dev liburiparser-dev
+ - apt-get update -qq && apt-get install -y -qq g++ cmake libopencv-dev libgoogle-glog-dev liburiparser-dev libmsgpack-dev
 
 ftl:
   script:

CMakeLists.txt

@@ -16,6 +16,7 @@ find_package( glog REQUIRED )
 find_package( OpenCV REQUIRED )
 find_package( Threads REQUIRED )
 find_package( LibSGM )
+find_package( Msgpack REQUIRED )
 
 include_directories(${PROJECT_SOURCE_DIR}/common/cpp/include)