Built result print functions thus removing various printf()s.

TODO

src/lib-sieve/cmd-discard.c

src/lib-sieve/cmd-redirect.c

src/lib-sieve/ext-reject.c

src/lib-sieve/plugins/copy/ext-copy.c

src/lib-sieve/plugins/imapflags/imapflags-implicit.sieve

src/lib-sieve/plugins/imapflags/tag-flags.c

src/lib-sieve/plugins/vacation/cmd-vacation.c

src/lib-sieve/sieve-actions.c

src/lib-sieve/sieve-actions.h

src/lib-sieve/sieve-ast.h

src/lib-sieve/sieve-common.h

src/lib-sieve/sieve-result.c

src/lib-sieve/sieve-result.h

src/lib-sieve/sieve-validator.c

src/lib-sieve/sieve.c

src/lib-sieve/sieve.h

src/sieve-bin/sieve-test.c

src/testsuite/testsuite.c