* progmodes/verilog-mode.el (verilog-declaration-core-re):

* progmodes/verilog-mode.el (verilog-declaration-core-re):
Add port directions by themselves, with no qualification, as base
item of a declaration.
(verilog-pretty-declarations): Add new flag that inhibits printing
to the message buffer.
(verilog-pretty-expr): Add new flag that inhibits printing to the
message buffer.  Improve handling of the many types of expression
line up.
(verilog-just-one-space): Don't print an empty message.
(verilog-get-lineup-indent): Rework to support the better handling
of expression lineup for verilog-pretty-expr.
(verilog-auto-wire): Pass the quiet flag to verilog-pretty-expr.
(verilog-mode-version, verilog-mode-release-date): Update.