Fix submodule URLs

.gitmodules

@@ -1,15 +1,15 @@
 [submodule "src/Symfony/Component/Process"]
 	path = src/Symfony/Component/Process
-	url = https://github.com/symfony/Process.git
+	url = http://github.com/symfony/Process.git
 [submodule "src/Symfony/Component/Finder"]
 	path = src/Symfony/Component/Finder
-	url = https://github.com/symfony/Finder.git
+	url = http://github.com/symfony/Finder.git
 [submodule "src/Symfony/Component/Config"]
 	path = src/Symfony/Component/Config
-	url = https://github.com/symfony/Config.git
+	url = http://github.com/symfony/Config.git
 [submodule "src/Symfony/Component/ClassLoader"]
 	path = src/Symfony/Component/ClassLoader
-	url = https://github.com/symfony/ClassLoader.git
+	url = http://github.com/symfony/ClassLoader.git
 [submodule "src/Symfony/Component/BrowserKit"]
 	path = src/Symfony/Component/BrowserKit
-	url = https://github.com/symfony/BrowserKit.git
+	url = http://github.com/symfony/BrowserKit.git