Add Unix install targets that are missing in source

Needs to be on c++14 to match sfml

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.5)
 
 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9)
 
@@ -12,9 +12,9 @@ elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
     set(USING_CLANG TRUE)
 endif()
 
-# For GCC and Clang, enable C++11 support and add some other flags
+# For GCC and Clang, enable C++14 support and add some other flags
 if(USING_GCC OR USING_CLANG)
-  add_compile_options(-std=c++11 -pedantic -Wall)
+  add_compile_options(-std=c++14 -pedantic -Wall)
 endif()
 
 # Compilation options
@@ -104,6 +104,20 @@ if(APPLE)
     ${CMAKE_SOURCE_DIR}/COPYING.txt
     ${CMAKE_SOURCE_DIR}/readme.txt
     DESTINATION ".")
+endif()
+
+if(UNIX)
+	install(PROGRAMS ${CMAKE_BINARY_DIR}/Witch_Blast DESTINATION ${CMAKE_INSTALL_PREFIX}/share/witchblast)
+	install(
+	  DIRECTORY 
+	    ${CMAKE_SOURCE_DIR}/data
+	    ${CMAKE_SOURCE_DIR}/media
+	  DESTINATION 
+	    ${CMAKE_INSTALL_PREFIX}/share/witchblast)
+	install(FILES
+	  ${CMAKE_SOURCE_DIR}/COPYING.txt 
+	  ${CMAKE_SOURCE_DIR}/readme.txt
+	  DESTINATION ${CMAKE_INSTALL_PREFIX}/share/doc/witchblast)
 endif()
 
 # Packaging
