CMake: Explicitly state which files to compile instead of relying on globbing.

Also remove header file lists, as there is no need to add them to
add_library() or add_executable(), which should lower maintenance of the cmake files.

libdevcore/CMakeLists.txt

@@ -1,7 +1,17 @@
-file(GLOB sources "*.cpp")
-file(GLOB headers "*.h")
+set(sources
+	CommonData.cpp
+	CommonIO.cpp
+	Exceptions.cpp
+	IndentedWriter.cpp
+	JSON.cpp
+	Keccak256.cpp
+	StringUtils.cpp
+	SwarmHash.cpp
+	UTF8.cpp
+	Whiskers.cpp
+)
 
-add_library(devcore ${sources} ${headers})
+add_library(devcore ${sources})
 target_link_libraries(devcore PRIVATE jsoncpp ${Boost_FILESYSTEM_LIBRARIES} ${Boost_REGEX_LIBRARIES} ${Boost_SYSTEM_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
 target_include_directories(devcore PUBLIC "${CMAKE_SOURCE_DIR}")
 target_include_directories(devcore SYSTEM PUBLIC ${Boost_INCLUDE_DIRS})