新增加了pod定义文件

+{
+  "name": "ASIHTTPRequest",
+  "version": "1.8.2.1",
+  "summary": "Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone.",
+  "homepage": "http://allseeing-i.com/ASIHTTPRequest",
+  "authors": {
+    "Ben Copsey": "ben@allseeing-i.com"
+  },
+  "license": "New BSD License",
+  "source": {
+    "git": "https://github.com/boxfish-project/asi-http-request.git",
+    "tag": "v1.8.2.1"
+  },
+  "description": "\n    ASIHTTPRequest is an easy to use wrapper around the CFNetwork API that\n    makes some of the more tedious aspects of communicating with web servers\n    easier. It is written in Objective-C and works in both Mac OS X and iPhone\n    applications.\n\n    It is suitable performing basic HTTP requests and interacting with\n    REST-based services (GET / POST / PUT / DELETE). The included\n    ASIFormDataRequest subclass makes it easy to submit POST data and files\n    using multipart/form-data.\n\n    Please note that ASIHTTPRequest is not recommended for newer projects \n    since it's not actively maintained anymore. \n    For more info visit: http://allseeing-i.com/%5Brequest_release%5D\n  ",
+  "requires_arc": false,
+  "subspecs": [
+    {
+      "name": "Core",
+      "source_files": "Classes/*.{h,m}",
+      "ios": {
+        "dependencies": {
+          "Reachability": [
+
+          ]
+        },
+        "frameworks": [
+          "MobileCoreServices",
+          "CFNetwork",
+          "CoreGraphics"
+        ]
+      },
+      "osx": {
+        "exclude_files": "**/*ASIAuthenticationDialog*",
+        "frameworks": [
+          "SystemConfiguration",
+          "CoreServices"
+        ]
+      },
+      "libraries": "z.1"
+    },
+    {
+      "name": "ASIWebPageRequest",
+      "source_files": "Classes/ASIWebPageRequest/*.{h,m}",
+      "libraries": "xml2.2",
+      "xcconfig": {
+        "HEADER_SEARCH_PATHS": "\"$(SDKROOT)/usr/include/libxml2\""
+      },
+      "dependencies": {
+        "ASIHTTPRequest/Core": [
+
+        ]
+      }
+    },
+    {
+      "name": "CloudFiles",
+      "source_files": [
+        "Classes/CloudFiles/*.{h,m}",
+        "Classes/S3/ASINSXMLParserCompat.h"
+      ],
+      "dependencies": {
+        "ASIHTTPRequest/Core": [
+
+        ]
+      }
+    },
+    {
+      "name": "S3",
+      "source_files": "Classes/S3/*.{h,m}",
+      "dependencies": {
+        "ASIHTTPRequest/Core": [
+
+        ]
+      }
+    }
+  ]
+}