Fix build system under Ubuntu 13.10. Closes #1061 #1130 #1124.

configure

@@ -511,7 +511,7 @@ public:
     QStringList libDirs;
     if (!s.isEmpty())
       libDirs << s;
-    libDirs << "/usr/lib/" << "/usr/lib64/" << "/usr/local/lib/" << "/usr/local/lib64/";
+    libDirs << "/usr/lib/" << "/usr/lib/i386-linux-gnu/" << "/usr/lib64/" << "/usr/lib/x86_64-linux-gnu/" << "/usr/local/lib/" << "/usr/lib/local/i386-linux-gnu/" << "/usr/local/lib64/" << "/usr/local/lib/x86_64-linux-gnu/";
 
     foreach(const QString& lib, required_libs) {
       bool found = false;

qcm/libboost.qcm

@@ -75,7 +75,7 @@ public:
     QStringList libDirs;
     if (!s.isEmpty())
       libDirs << s;
-    libDirs << "/usr/lib/" << "/usr/lib64/" << "/usr/local/lib/" << "/usr/local/lib64/";
+    libDirs << "/usr/lib/" << "/usr/lib/i386-linux-gnu/" << "/usr/lib64/" << "/usr/lib/x86_64-linux-gnu/" << "/usr/local/lib/" << "/usr/lib/local/i386-linux-gnu/" << "/usr/local/lib64/" << "/usr/local/lib/x86_64-linux-gnu/";
 
     foreach(const QString& lib, required_libs) {
       bool found = false;

qcm/libtorrent-rasterbar.qcm

@@ -8,11 +8,11 @@ class qc_libtorrent_rasterbar : public ConfObj
 {
 public:
 	qc_libtorrent_rasterbar(Conf *c) : ConfObj(c) {}
-	QString name() const { return "libtorrent-rasterbar >= 0.15.0"; }
+	QString name() const { return "libtorrent-rasterbar >= 0.16.0"; }
 	QString shortname() const { return "libtorrent-rasterbar"; }
 	bool exec(){
 		QStringList incs;
-		QString req_ver = "0.15.0";
+		QString req_ver = "0.16.0";
 		QString version, libs, other;
 		VersionMode mode = VersionMin;
 		if(!conf->findPkgConfig("libtorrent-rasterbar", mode, req_ver, &version, &incs, &libs, &other))