message: Update required cmake to 3.4
  3.4 was released in 2015, so I hope most of us have upgraded :)
diff: -CMAKE_MINIMUM_REQUIRED(VERSION 3.2)
  -
  +CMAKE_MINIMUM_REQUIRED(VERSION 3.4)
  PROJECT(SEGS)
  +
  +set(CMAKE_CXX_STANDARD 14)
  +set(CMAKE_CXX_STANDARD_REQUIRED ON)
  +
  IF(MSVC)
  add_definitions( -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS -DNOMINMAX -D_USE_MATH_DEFINES)
  ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
  @@ -8,8 +11,6 @@ ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
  ELSEIF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wall -Wextra -Wuseless-cast -std=c++14 -Wno-nested-anon-types -Wno-gnu-anonymous-struct -Wno-gnu-zero-variadic-macro-arguments")
  endif()
  -set(CMAKE_CXX_STANDARD 14)
  -set(CMAKE_CXX_STANDARD_REQUIRED ON)
  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
  add_definitions(-D__STDC_FORMAT_MACROS)
  