Install help files in the correct location

Closes #111.

debian/changelog

@@ -1,9 +1,15 @@
-gtimelog (0.11-4mg1) UNRELEASED; urgency=medium
+gtimelog (0.11-4mg2) UNRELEASED; urgency=medium
+
+  * Install help files in the correct place (GH #111).
+
+ -- Marius Gedminas <marius@gedmin.as>  Mon, 05 Mar 2018 17:59:49 +0200
+
+gtimelog (0.11-4mg1) xenial; urgency=medium
 
   * Drop debhelper compat to 9.
   * Build PPA packages for Ubuntu.
 
- -- Marius Gedminas <marius@gedmin.as>  Mon, 05 Mar 2018 16:24:00 +0200
+ -- Marius Gedminas <marius@gedmin.as>  Mon, 05 Mar 2018 17:59:47 +0200
 
 gtimelog (0.11-4) unstable; urgency=medium
 

debian/gtimelog.install

@@ -1,6 +1,8 @@
 usr/bin
 usr/lib/python*/dist-packages/*/data/*gschema.xml /usr/share/glib-2.0/schemas/
-usr/lib/python*/dist-packages/*/help /usr/share/
+usr/lib/python*/dist-packages/*/help/C/*.xml /usr/share/help/C/gtimelog/
+usr/lib/python*/dist-packages/*/help/C/*.page /usr/share/help/C/gtimelog/
+usr/lib/python*/dist-packages/*/help/C/figures /usr/share/help/C/gtimelog/
 usr/lib/python*/dist-packages/*/*.css /usr/share/gtimelog/
 usr/lib/python*/dist-packages/*/*.ui /usr/share/gtimelog/
 src/gtimelog/locale /usr/share/