Documentation - introduction

- update the copyright date,

- add an introduction to the documentation.

doc/conf.py

@@ -67,7 +67,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'Sugar Toolkit GTK3'
-copyright = u'2016, Sugar Labs'
+copyright = u'2017, Sugar Labs'
 author = u'Sugar Labs'
 
 # The version info for the project you're documenting, acts as replacement for

doc/index.rst

@@ -1,8 +1,21 @@
-Welcome to Sugar Toolkit GTK3's documentation!
-==============================================
+Sugar Toolkit GTK3
+==================
+
+Sugar Toolkit GTK3, or `sugar3`, is a toolkit for writing Sugar
+activities in Python:
+
+* write a `setup.py` which calls :class:`~sugar3.activity.bundlebuilder`,
+* write an `activity/activity.info` file with metadata, see :class:`~sugar3.bundle`,
+* write a class derived from :class:`~sugar3.activity.activity.Activity`,
+* use the :class:`~sugar3.graphics` module classes to build a user interface.
+
+Optional modules include:
 
-Sugar Toolkit GTK3 (also called `sugar3`) is the toolkit for writing Sugar
-activities in Python.
+* use the :class:`~sugar3.profile` module to fetch user profile information,
+* use the :class:`~sugar3.presence` module classes to implement sharing,
+* use the :class:`~sugar3.logger` module for debug logging,
+* use the :class:`~sugar3.network` module for downloading data,
+* use the :class:`~sugar3.speech` module for speech synthesis.
 
 Indices and tables
 ==================