Move server to sj3serv

Signed-off-by: Masanori Ogino <mogino@acm.org>

CMakeLists.txt

@@ -104,13 +104,13 @@ target_link_libraries(sj3stat
 )
 
 add_executable(sj3serv
-    server/comuni.c
+    sj3serv/comuni.c
-    server/error.c
+    sj3serv/error.c
-    server/execute.c
+    sj3serv/execute.c
-    server/main.c
+    sj3serv/main.c
-    server/setup.c
+    sj3serv/setup.c
-    server/time_stamp.c
+    sj3serv/time_stamp.c
-    server/version.c
+    sj3serv/version.c
 )
 target_include_directories(sj3serv
     PRIVATE include sj3lib