rewrite client demo by lua, remove old C version client demo

3rd/lua-cjson/lua-cjson-2.1.0-1.rockspec

@@ -0,0 +1,56 @@
+package = "lua-cjson"
+version = "2.1.0-1"
+
+source = {
+    url = "http://www.kyne.com.au/~mark/software/download/lua-cjson-2.1.0.zip",
+}
+
+description = {
+    summary = "A fast JSON encoding/parsing module",
+    detailed = [[
+        The Lua CJSON module provides JSON support for Lua. It features:
+        - Fast, standards compliant encoding/parsing routines
+        - Full support for JSON with UTF-8, including decoding surrogate pairs
+        - Optional run-time support for common exceptions to the JSON specification
+          (infinity, NaN,..)
+        - No dependencies on other libraries
+    ]],
+    homepage = "http://www.kyne.com.au/~mark/software/lua-cjson.php",
+    license = "MIT"
+}
+
+dependencies = {
+    "lua >= 5.1"
+}
+
+build = {
+    type = "builtin",
+    modules = {
+        cjson = {
+            sources = { "lua_cjson.c", "strbuf.c", "fpconv.c" },
+            defines = {
+-- LuaRocks does not support platform specific configuration for Solaris.
+-- Uncomment the line below on Solaris platforms if required.
+--                "USE_INTERNAL_ISINF"
+            }
+        }
+    },
+    install = {
+        lua = {
+            ["cjson.util"] = "lua/cjson/util.lua"
+        },
+        bin = {
+            json2lua = "lua/json2lua.lua",
+            lua2json = "lua/lua2json.lua"
+        }
+    },
+    -- Override default build options (per platform)
+    platforms = {
+        win32 = { modules = { cjson = { defines = {
+            "DISABLE_INVALID_NUMBERS"
+        } } } }
+    },
+    copy_directories = { "tests" }
+}
+
+-- vi:ai et sw=4 ts=4: