REL : 4.7.1 release of envisage

Update the version number in setup.py and flip the
is_released flag to True

	modified:   setup.py

Author: Poruri Sai Rahul

setup.py

@@ -7,10 +7,10 @@
 from setuptools import setup, find_packages
 
 MAJOR = 4
-MINOR = 8
-MICRO = 0
+MINOR = 7
+MICRO = 1
 
-IS_RELEASED = False
+IS_RELEASED = True
 
 VERSION = '%d.%d.%d' % (MAJOR, MINOR, MICRO)