Upgraded to Dovecot v2.1.

src/lib-sieve-tool/mail-raw.c

src/lib-sieve-tool/mail-raw.h

src/lib-sieve-tool/sieve-tool.c

src/lib-sieve/plugins/mailbox/tst-mailboxexists.c

src/lib-sieve/sieve-actions.c

src/managesieve-login/client.c

src/testsuite/testsuite-mailstore.c