Change get-pip url

The path for get-pip.py script in version 3.5 has been changed
with this commit [1].

[1] https://github.com/pypa/get-pip/commit/2360f02

Co-Authored-By: daniel.pawlik <dpawlik@redhat.com>
Change-Id: Id127620ac5c3d7be8bb85bf2dc37bc77248d400c

manifests/params.pp

@@ -3,7 +3,7 @@
 # This class holds parameters that need to be
 # accessed by other classes.
 class pip::params {
-  $get_pip_location = 'https://bootstrap.pypa.io/3.5/get-pip.py'
+  $get_pip_location = 'https://bootstrap.pypa.io/pip/3.5/get-pip.py'
 
   case $::osfamily {
     'RedHat': {