Release 0.7.0

Notable changes:
* 37e5a3e Accept Hosts: meta header for puppet-compiler (T219629)
* 72aad7c Supress unintentional 'true' print in `ansi_codes()` (T195078)

Change-Id: I4deafb10a4c05ae30a2d72770c751b10ce9ceb70

Author: legoktm

commit_message_validator/__init__.py

@@ -32,7 +32,7 @@
 from commit_message_validator.validators.GitHubMessageValidator import (
     GitHubMessageValidator)
 
-__version__ = '0.6.0'
+__version__ = '0.7.0'
 
 
 WIKIMEDIA_GERRIT_URL = 'gerrit.wikimedia.org'