Updated readme, doc links

Author: PierreRaybaut

README.md

@@ -56,7 +56,7 @@ for more details on API limitations when comparing to Qwt.
 ## Dependencies
 
 ### Requirements ###
-- Python >=2.6 or Python >=3.0
+- Python >=2.6 or Python >=3.2
 - PyQt4 >=4.4 or PyQt5 >= 5.5
 - NumPy >= 1.5
 - guidata >= 1.7 for the GUI-based test launcher

doc/installation.rst

@@ -5,8 +5,9 @@ Dependencies
 ------------
 
 Requirements:
-    * Python 2.x (x>=6)
-    * PyQt4 4.x (x>=4) or PyQt5 5.x (x>=5)
+    * Python 2.x (x>=6) or 3.x (x>=2)
+    * PyQt4 4.x (x>=3 ; recommended x>=4) or PyQt5 5.x (x>=5)
+    * spyderlib >=v2.0.10 for the test launcher
     * NumPy 1.x (x>=5)
 
 Installation

qwt/__init__.py

@@ -20,8 +20,12 @@
 .. image:: images/panorama.png
 
 External resources:
+    * Python Package Index: `PyPI`_
+    * Project page on GitHub: `GitHubPage`_
     * Bug reports and feature requests: `GitHub`_
 
+.. _PyPI: https://pypi.python.org/pypi/PythonQwt
+.. _GitHubPage: http://pierreraybaut.github.io/PythonQwt
 .. _GitHub: https://github.com/PierreRaybaut/PythonQwt
 """
 __version__ = '0.5.1'