More fixes to the debian package and copyright

debian/control

@@ -1,6 +1,6 @@
 Source: clementine
-Section: unknown
-Priority: extra
+Section: sound
+Priority: optional
 Maintainer: David Sansome <me@davidsansome.com>
 Build-Depends: debhelper (>= 7), liblastfm-dev, libtag1-dev, libxine-dev, libnotify-dev, libboost-dev, libqt4-dev, qt4-dev-tools, libqt4-opengl-dev, cmake
 Standards-Version: 3.8.1

debian/copyright

@@ -13,8 +13,8 @@ Copyright:
 
 License:
 
-    All original Clementine source code is under GPL-3.
-    Code from Amarok is under GPL-2.  This includes:
+    All original Clementine source code is under GPL-3 (/usr/share/common-licenses/GPL-3)
+    Code from Amarok is under GPL-2 (/usr/share/common-licenses/GPL-2).  This includes:
       src/xine-{engine,scope}.{h,cpp}
       src/enginebase.{h,cpp}
       src/engine_fwd.h
@@ -23,10 +23,11 @@ License:
       src/analyzers/{bar,block,boom}analyzer.{h,cpp}
       src/analyzers/sonogram.{h,cpp}
       src/analyzers/glanalyzer*.{h,cpp}
-    googlemock and googletest (3rdparty/gmock) are under APL-2
-    qsqlite is (3rdparty/qsqlite) is under LGPL-2.1
-    qtsingleapplication (3rdparty/qtsingleapplication) is under LGPL-2.1
-    qxt (3rdparty/qxt) is under LGPL-2.1
+
+    googlemock and googletest (3rdparty/gmock) are under APL-2 (/usr/share/common-licenses/Apache-2.0)
+    qsqlite is (3rdparty/qsqlite) is under LGPL-2.1 (/usr/share/common-licenses/LGPL-2.1)
+    qtsingleapplication (3rdparty/qtsingleapplication) is under LGPL-2.1 (/usr/share/common-licenses/LGPL-2.1)
+    qxt (3rdparty/qxt) is under LGPL-2.1 (/usr/share/common-licenses/LGPL-2.1)
 
 The Debian packaging is: