Use conda-forge repositories [skip ci]

Author: Chilipp

README.rst

@@ -38,9 +38,9 @@ Graphical User Interface for the psyplot package
     :alt: PyPI Package latest release
     :target: https://pypi.python.org/pypi/psyplot-gui
 
-.. |conda| image:: https://anaconda.org/chilipp/psyplot-gui/badges/installer/conda.svg
+.. |conda| image:: https://anaconda.org/conda-forge/psyplot-gui/badges/version.svg
     :alt: conda
-    :target: https://conda.anaconda.org/chilipp
+    :target: https://conda.anaconda.org/conda-forge/psyplot-gui
 
 .. |supported-versions| image:: https://img.shields.io/pypi/pyversions/psyplot-gui.svg?style=flat
     :alt: Supported versions

docs/index.rst

@@ -46,9 +46,9 @@ main project on examples on the possibilities with psyplot_.
         :alt: PyPI Package latest release
         :target: https://pypi.python.org/pypi/psyplot-gui
 
-    .. |conda| image:: https://anaconda.org/chilipp/psyplot-gui/badges/installer/conda.svg
+    .. |conda| image:: https://anaconda.org/conda-forge/psyplot-gui/badges/version.svg
         :alt: conda
-        :target: https://conda.anaconda.org/chilipp
+        :target: https://conda.anaconda.org/conda-forge/psyplot-gui
 
     .. |supported-versions| image:: https://img.shields.io/pypi/pyversions/psyplot-gui.svg?style=flat
         :alt: Supported versions

docs/installing.rst

@@ -17,7 +17,7 @@ We highly recommend to use conda_ for installing psyplot-gui.
 
 You can then install psyplot-gui simply via::
 
-    $ conda install -c chilipp psyplot-gui
+    $ conda install -c conda-forge psyplot-gui
 
 If you do not want to use PyQt4 (we indeed recommend to use PyQt5), you should
 remove the ``'pyqt'`` and and ``'qt'`` package from anaconda::