Update to 7.1.7 and some improvements

OBS-URL: https://build.opensuse.org/package/show/hamradio/qsstv?expand=0&rev=11

qsstv-fix-target-path.patch

@@ -0,0 +1,14 @@
+Change target.path from /usr/local/bin to /usr/bin so that it complies with
+our file system standard.
+
+--- a/src/src.pro
++++ b/src/src.pro
+@@ -190,7 +190,7 @@
+   -lasound \
+   -lhamlib
+ 
+-target.path=/usr/local/bin
++target.path=/usr/bin
+ target.extra = strip $(TARGET); cp -f $(TARGET) $${PREFIX}/bin/$(TARGET)
+ INSTALLS +=target
+ INSTALLS +=dox