User guide and help text updates

Details  of --config  command line  option. Note  that low  confidence
decodes '?'  are not spotted and  more generic text for  --help command
line option now derived from CMakeLists description strings.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8005 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

doc/user_guide/en/controls-functions-menus.adoc

@@ -26,6 +26,10 @@ menu for switching between modes.  Simply *Clone* the *Default* entry,
 configuration.  These settings will be restored whenever you select
 that configuration.
 
+As well as switching between configurations while running _WSJT-X_ you
+can also start the application in any configuration by using the
+`--config <configuration-name>` command line option (`-c` for short).
+
 [[VIEW_MENU]]
 ==== View Menu
 image::view-menu.png[align="left",alt="View Menu"]

doc/user_guide/en/decoder_notes.adoc

@@ -30,7 +30,8 @@ proceeds to determine whether the remaining message and parity bits
 are consistent with the hypothesized AP bits.  If a codeword is found
 that the decoder judges to have high (but not overwhelmingly high)
 probability of being correct, a ? character is appended when the
-decoded message is displayed.
+decoded message is displayed. Decodes thus marked are not sent to
+{pskreporter} to avoid occasional misleading spots of false decodes.
 
 Successful AP decodes are always labeled with an end-of-line indicator
 of the form aP, where P is one of the single-digit AP decoding types

main.cpp

@@ -110,7 +110,7 @@ int main(int argc, char *argv[])
 
 #if QT_VERSION >= 0x050200
       QCommandLineParser parser;
-      parser.setApplicationDescription ("\nJT65, JT9, JT4, MSK144, QRA64, ISCAT & WSPR Weak Signal Communications Program.");
+      parser.setApplicationDescription ("\n" PROJECT_SUMMARY_DESCRIPTION);
       auto help_option = parser.addHelpOption ();
       auto version_option = parser.addVersionOption ();
 

wsjtx_config.h.in

@@ -13,6 +13,7 @@
 #cmakedefine PROJECT_HOMEPAGE "@PROJECT_HOMEPAGE@"
 #cmakedefine PROJECT_MANUAL_DIRECTORY_URL "@PROJECT_MANUAL_DIRECTORY_URL@"
 #cmakedefine PROJECT_SAMPLES_URL "@PROJECT_SAMPLES_URL@"
+#cmakedefine PROJECT_SUMMARY_DESCRIPTION "@PROJECT_SUMMARY_DESCRIPTION@"
 
 #cmakedefine01 WSJT_SHARED_RUNTIME
 #cmakedefine01 WSJT_QDEBUG_TO_FILE