add cpt-city files to debian builds

Author: etiennesky

debian/copyright

@@ -176,3 +176,13 @@ License: BSD
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Files: resources/cpt-city-qgis-min/cb/*
+Copyright: 2002 Cynthia Brewer, Mark Harrower, and The Pennsylvania State University
+License: Apache-Style Software License Version 1.1
+This product includes color specifications and designs developed by 
+     Cynthia Brewer (http://colorbrewer.org/).
+
+Files: resources/cpt-city-qgis-min/grass/*
+Copyright: GRASS Development Team
+License: GPL-2

debian/qgis-providers-common.install

@@ -2,3 +2,4 @@ usr/share/qgis/svg/*
 usr/share/qgis/resources/qgis.db
 usr/share/qgis/resources/srs.db
 usr/share/qgis/resources/symbology-ng-style.db
+usr/share/qgis/resources/cpt-city-qgis-min/*