Autocomplete now works

lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb

@@ -47,6 +47,7 @@ module Pod
       	header_search_path_flags = target.sandbox.public_headers.search_paths.map {|path| '-isystem'+path}
         @xcconfig = Xcodeproj::Config.new({
           'OTHER_LDFLAGS' => XCConfigHelper.default_ld_flags(target),
+          'HEADER_SEARCH_PATHS' => XCConfigHelper.quote(target.sandbox.public_headers.search_paths),
           'PODS_ROOT' => target.relative_pods_root,
           'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) COCOAPODS=1',
           'OTHER_CFLAGS' => '$(inherited) ' + XCConfigHelper.quote(header_search_path_flags)