restored backward compatibility on podspec file, v2.9.5 rolled out

RNFS.podspec

@@ -0,0 +1,14 @@
+Pod::Spec.new do |s|
+  s.name             = "RNFS"
+  s.version          = "2.9.5"
+  s.summary          = "Native filesystem access for react-native"
+  s.license      = 'MIT'
+  s.homepage     = 'n/a'
+  s.authors      = { "Johannes Lumpe" => "johannes@lum.pe" }
+  s.source       = { :git => "git@github.com:itinance/react-native-fs.git" }
+  s.source_files = '*.{h,m}'
+  s.preserve_paths  = "**/*.js"
+  s.requires_arc = true
+  s.platform     = :ios, "7.0"
+  s.dependency 'React/Core'
+end