Log Message:
Update SIEVE_VERSION to 0.1.19
Update MANAGESIEVE_VERSION to 0.11.13, for dovecot-1.2.17.
rest part of PR#44970.

Sieve:
v0.1.19 19-05-2011 Stephan Bosch <stephan@rename-it.nl>

	- Enotify extension: fixed inappropriate return type in mailto URI parse
	  function, also fixing ARM compiler warning.
	- Vacation extension: fixed handling of sendmail errors. It produced an
	  additional confusing success message in case of error.
	- Removed header MIME-decoding to fix erroneous address parsing. Applies to
	  address test and vacation command.

ManageSieve:
v0.11.13:
	- ManageSieve: fixed bug in UTF-8 checking of string values.