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/gegl/template

@@ -0,0 +1,25 @@
+# Template build file for 'gegl'.
+pkgname=gegl
+version=0.1.0
+revision=1
+distfiles="ftp://ftp.gimp.org/pub/gegl/0.1/$pkgname-$version.tar.bz2"
+build_style=gnu_configure
+short_desc="graph based image processing framework"
+maintainer="Juan RP <xtraeme@gmail.com>"
+checksum=430a79400041209d8bc42576c4d9f0c0a6e7564fdfe95ccd83f33ab7eaf238d5
+long_desc="
+ GEGL (Generic Graphics Library) is a graph based image processing
+ framework.
+
+ GEGL provides infrastructure to do demand based cached non destructive
+ image editing on larger than RAM buffers. Through babl it provides
+ support for a wide range of color models and pixel storage formats for
+ input and output."
+
+subpackages="$pkgname-devel"
+Add_dependency full glibc
+Add_dependency full babl
+Add_dependency full libpng
+Add_dependency full jpeg
+Add_dependency full gtk+
+Add_dependency full librsvg