Add a word wrapping for comment log messages to AdviceLogger

The comments logged through AdviceLogger are now wrapped up to 70
characters. This change has been documented in the docstrings.

ipaserver/advise/base.py

@@ -46,7 +46,7 @@ Optionally, you can require root privileges for your plugin:
 
 The following method should be implemented in your plugin:
 
->>>.....def get_info():
+>>>     def get_info():
 >>>         self.log.debug('Entering execute() method')
 >>>         self.log.comment('Providing useful advice just for you')
 >>>         self.log.command('yum update sssd -y')
@@ -55,6 +55,11 @@ As you can see, Advice's log has 3 different levels. Debug lines are printed
 out with '# DEBUG:' prefix if --verbose had been used. Comment lines utilize
 '# ' prefix and command lines are printed raw.
 
+Please note that comments are automatically wrapped after 70 characters.
+Use wrapped=False option to force the unwrapped line in the comment.
+
+>>>         self.log.comment("This line should not be wrapped", wrapped=False)
+
 As a result, you can redirect the advice's output directly to a script file.
 
 # ipa-advise sample-advice > script.sh