Update packaging

* New maintainer.
 * Switch to debhelper.
 * Remove d/watch file pointing to a dead site.
 * Don't install .la files.
 * Multiarchify.
 * Remove unneeded dependencies (closes: bug#810434).

debian/control

@@ -1,11 +1,10 @@
 Source: libg15render
 Section: libs
 Priority: optional
-Maintainer: Giacomo Catenazzi <cate@debian.org>
-Build-Depends: cdbs, debhelper (>= 5), autotools-dev, libtool, automake1.11,
- libg15-dev, libusb-dev, libfreetype6-dev, pkg-config, quilt
-Standards-Version: 3.8.2
-Homepage: http://www.g15tools.com
+Maintainer: Alexander Ponyatykh <lazyranma@gmail.com>
+Build-Depends: debhelper-compat (= 12), pkg-config, libfreetype6-dev
+Standards-Version: 4.4.1
+Homepage: https://sourceforge.net/projects/g15tools/
 
 Package: libg15render1
 Section: libs