Add documentation about install and global options.

salt/states/pip_state.py

@@ -185,6 +185,30 @@ def installed(name,
     .. versionchanged:: 0.17.0
         ``use_wheel`` option added.
 
+    install_options
+
+        Extra arguments to be supplied to the setup.py install command.
+        If you are using an option with a directory path, be sure to use
+        absolute path.
+
+        Example:
+
+        .. code-block:: yaml
+
+            django:
+              pip.installed:
+                - name: django
+                - install_options:
+                  - --prefix=/blah
+                - require:
+                  - pkg: python-pip
+
+    global_options
+        Extra global options to be supplied to the setup.py call before the
+        install command.
+
+        .. versionadded:: 2014.1.2
+
     .. admonition:: Attention
 
         As of Salt 0.17.0 the pip state **needs** an importable pip module.