Rename input_only to input_field

lib/simple_form/form_builder.rb

@@ -96,10 +96,10 @@ module SimpleForm
     # == Examples
     #
     #   simple_form_for @user do |f|
-    #     f.input_only :name
+    #     f.input_field :name
     #   end
     #
-    def input_only(attribute_name, options={})
+    def input_field(attribute_name, options={})
       options.merge!({:components => [:input], :wrapper => false})
       input(attribute_name, options)
     end

test/form_builder_test.rb

@@ -380,7 +380,7 @@ class FormBuilderTest < ActionView::TestCase
   # ONLY THE INPUT TAG
   test "builder input_only should only render the input tag, nothing else" do
     with_concat_form_for(@user) do |f|
-      f.input_only :name
+      f.input_field :name
     end
     assert_select 'form > input.required.string'
     assert_no_select 'div.string'