extended copyright notices to 2012

HEADER

src/seq/seq.h

src/seq/seqCom.h

src/seq/seqPvt.h

src/seq/seq_ca.c

src/seq/seq_cmd.c

src/seq/seq_debug.h

src/seq/seq_if.c

src/seq/seq_mac.c

src/seq/seq_main.c

src/seq/seq_prog.c

src/seq/seq_qry.c

src/seq/seq_queue.c

src/seq/seq_queue.h

src/seq/seq_task.c

src/snc/analysis.c

src/snc/analysis.h

src/snc/builtin.c

src/snc/expr.c

src/snc/expr.h