Major infrastructure changes, part 2.

* Moved helpers, common and triggers dirs into xbps-src, where
  they belong.
* Renamed the templates dir to srcpkgs, it was so redundant before.
* Make it possible to add subpkgs with no restriction in names, for
  example udev now has a subpkgs called "libgudev". Previously
  subpkgs were named "${sourcepkg}-${pkgname}".
* xbps-src: changed to look for template files in current directory.
  That means that most arguments from the targets have been removed.
* xbps-src: added a reinstall target, to remove + install.
* xbps-src: do not overwrite binpkgs by default, skip them.

And more that I forgot because it's a mega-commit that I've been
working for some days already...

--HG--
extra : convert_revision : 0f466878584d1e6895d2a234f07ea1b2d1e61b3e

srcpkgs/perl-XML-Parser/template

@@ -0,0 +1,16 @@
+# Template build file for 'perl-XML-Parser'.
+pkgname=perl-XML-Parser
+version=2.36
+wrksrc="XML-Parser-$version"
+distfiles="${CPAN_SITE}/XML/XML-Parser-$version.tar.gz"
+build_style=perl_module
+short_desc="Perl extension interface to James Clark's XML parser, expat"
+maintainer="Juan RP <xtraeme@gmail.com>"
+checksum=9fd529867402456bd826fe0e5588d35b3a2e27e586a2fd838d1352b71c2ed73f
+long_desc="
+ This module provides ways to parse XML documents. It is built on top of
+ XML::Parser::Expat, which is a lower level interface to James Clark's
+ expat library."
+
+Add_dependency full perl
+Add_dependency full expat