Replaced docker image debian:testing with eidheim/testing, and removed boost.thread and boost.date_time from CMakeLists

.travis.yml

@@ -4,9 +4,7 @@ services:
   - docker
 
 script:
-  - sudo docker run -it -v "$PWD:/repository" debian:testing sh -c "
-      apt-get update &&
-      apt-get install --yes cmake make g\+\+ clang perl libssl-dev libboost-thread-dev libboost-regex-dev libboost-date-time-dev libboost-filesystem-dev libasio-dev &&
+  - sudo docker run -it -v "$PWD:/repository" eidheim/testing sh -c "
       cd /repository && mkdir build && cd build &&
       scan-build cmake -DCMAKE_CXX_FLAGS=-Werror .. &&
       scan-build --status-bugs make &&

CMakeLists.txt

@@ -6,7 +6,7 @@ include_directories(.)
 
 find_package(Threads REQUIRED)
 
-set(BOOST_COMPONENTS system thread filesystem date_time)
+set(BOOST_COMPONENTS system filesystem)
 # Late 2017 TODO: remove the following checks and always use std::regex
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
     if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)