Move the section at the end of the chapter

See
elixir-lang#619 (comment)
ent-147978903

Author: weppos

getting-started/alias-require-and-import.markdown

@@ -118,39 +118,6 @@ In the example above, the imported `List.duplicate/2` is only visible within tha
 
 Note that `import`ing a module automatically `require`s it.
 
-## `use`
-
-`use` allows you to use a module in the current context. It `require`s the given module and then calls the `__using__/1` callback on it allowing the module to inject some code into the current context.
-
-```elixir
-defmodule Example do
-  use Feature, option: :value
-end
-```
-
-is compiled into
-
-```elixir
-defmodule Example do
-  require Feature
-  Feature.__using__(option: :value)
-end
-```
-
-For example, in order to write tests using the ExUnit framework, a developer should use the `ExUnit.Case` module:
-
-```elixir
-defmodule AssertionTest do
-  use ExUnit.Case, async: true
-
-  test "always pass" do
-    assert true
-  end
-end
-```
-
-By calling use, a hook called `__using__` will be invoked in `ExUnit.Case` which will then do the proper setup.
-
 
 ## Aliases
 
@@ -226,3 +193,38 @@ end
 As we will see in later chapters, aliases also play a crucial role in macros, to guarantee they are hygienic.
 
 With this we are almost finishing our tour about Elixir modules. The last topic to cover is module attributes.
+
+
+## `use`
+
+Although not a directive, `use` is a macro tightly related to `require` that allows you to use a module in the current context. It `require`s the given module and then calls the `__using__/1` callback on it allowing the module to inject some code into the current context.
+
+```elixir
+defmodule Example do
+  use Feature, option: :value
+end
+```
+
+is compiled into
+
+```elixir
+defmodule Example do
+  require Feature
+  Feature.__using__(option: :value)
+end
+```
+
+For example, in order to write tests using the ExUnit framework, a developer should use the `ExUnit.Case` module:
+
+```elixir
+defmodule AssertionTest do
+  use ExUnit.Case, async: true
+
+  test "always pass" do
+    assert true
+  end
+end
+```
+
+By calling use, a hook called `__using__` will be invoked in `ExUnit.Case` which will then do the proper setup.
+