add proxy support

Author: zaggino

package.json

@@ -16,7 +16,8 @@
         "anymatch": "1.3.0",
         "chokidar": "1.6.0",
         "lodash": "4.15.0",
-        "npm": "3.10.8"
+        "npm": "3.10.9",
+        "request": "2.79.0"
     },
     "devDependencies": {
         "glob": "7.0.6",

src/config.json

@@ -39,7 +39,8 @@
         "anymatch": "1.3.0",
         "chokidar": "1.6.0",
         "lodash": "4.15.0",
-        "npm": "3.10.8"
+        "npm": "3.10.9",
+        "request": "2.79.0"
     },
     "devDependencies": {
         "glob": "7.0.6",
@@ -79,4 +80,4 @@
             "url": "https://github.com/adobe/brackets/blob/master/LICENSE"
         }
     ]
-}
+}

src/extensibility/Package.js

@@ -105,7 +105,12 @@ define(function (require, exports, module) {
     function validate(path, options) {
         return _extensionManagerCall(function (extensionManager) {
             var d = new $.Deferred();
-
+            
+            // make sure proxy is attached to options before calling validate
+            // so npm can use it in the domain
+            options = options || {};
+            options.proxy = PreferencesManager.get("proxy");
+            
             extensionManager.validate(path, options)
                 .done(function (result) {
                     d.resolve({
@@ -157,7 +162,8 @@ define(function (require, exports, module) {
                 disabledDirectory: disabledDirectory,
                 systemExtensionDirectory: systemDirectory,
                 apiVersion: brackets.metadata.apiVersion,
-                nameHint: nameHint
+                nameHint: nameHint,
+                proxy: PreferencesManager.get("proxy")
             })
                 .done(function (result) {
                     result.keepFile = false;

src/extensibility/node/ExtensionManagerDomain.js

@@ -309,7 +309,7 @@ function _cmdInstall(packagePath, destinationDirectory, options, callback, pCall
         }
     }
 
-    validate(packagePath, {}, validateCallback);
+    validate(packagePath, options, validateCallback);
 }
 
 /**
@@ -503,7 +503,7 @@ function init(domainManager) {
             description: "absolute filesystem path where this extension should be installed"
         }, {
             name: "options",
-            type: "{disabledDirectory: !string, apiVersion: !string, nameHint: ?string, systemExtensionDirectory: !string}",
+            type: "{disabledDirectory: !string, apiVersion: !string, nameHint: ?string, systemExtensionDirectory: !string, proxy: ?string}",
             description: "installation options: disabledDirectory should be set so that extensions can be installed disabled."
         }],
         [{