acinclude.m4: Quote to quell autoreconf warning
arrlsections: Add new Canadian sections

Remove invalid sections.
configure.ac: Enable silent make rules

Use Autoconf help string formatter for Hamlib option.
rules/arrlfd: Update to current FD rules

The arrlfd rules file was dated so bring it up to date with changes in
Fd and TLF.
ARRL Field Day updates

Use a consistent variable name of 'arrlfd'.
Don't show or log RST values as Field Day does not use them.
My editor strips trailing white space.