dancer2 skeleton

$ dancer2 gen -a MyWeb::App
Dancer2 as service
BR demo
add DateTime
add GDGraph
add Chart-Plot-Tagged
add ntp in defconfig
update plot
user guest
perl: removes useless files in target tree

$(TARGET_DIR)/usr/lib/perl5/$(PERL_VERSION)/$(PERL_ARCHNAME)/CORE contains include files.
*.bs & .packlist files come with perl or perl/cpan packages.