release 1.7.1

* Bugfix for REX authorized_keys permission handling (Katello#298)
* Improve error message and allow non-existing files for --rex-authpath (Katello#299)
* Improve --rex-urlkeyfile help text (Katello#293)
* Default bootstrap.py to install katello-host-tools and omit the katello-agent package (Katello#258)
* Improve output when using the rex options (Katello#291)
* Don't fail if yum clean fails (Katello#289)
* Don't use json.loads to generate dicts (Katello#288)
* Bugfix: don't build a newly created host (Katello#287)
* Call rhn-migrate-classic-to-rhsm with --remove-rhn-packages (Katello#137)
* Allow fetching REX keys from the API (Katello#282)

bootstrap.py

@@ -62,7 +62,7 @@
 import rpm  # pylint:disable=import-error
 
 
-VERSION = '1.7.0'
+VERSION = '1.7.1'
 
 # Python 2.4 only supports octal numbers by prefixing '0'
 # Python 3 only support octal numbers by prefixing '0o'