* utils/hbmk2/hbmk2.prg
+ use implibs (if available) as source of information
for updating .hbx files in -hbdyn mode. See in-code
comment for more.
* utils/hbmk2/pkg_dynl.hbm
+ enabled to rebuild .hbx files even in -hbdyn mode
(after above hbmk2 fix/improvement)
* extras/template/hbtpl.hbc
* extras/template/hbtpl.hbp
* minor tidying