Added INSTALL file.

Author: idlesign

INSTALL

@@ -0,0 +1,31 @@
+django-sitetree installation
+============================
+
+
+Python ``pip`` package is required to install ``django-sitetree``.
+
+
+From sources
+------------
+
+Use the following command line to install ``django-sitetree`` from sources directory (containing setup.py):
+
+    pip install .
+
+or
+
+    python setup.py install
+
+
+From PyPI
+---------
+
+Alternatively you can install ``django-sitetree`` from PyPI:
+
+    pip install django-sitetree
+
+
+Use `-U` flag for upgrade:
+
+    pip install -U django-sitetree
+