Sync

- Added task server details to the 'diagnostics' command output.
- Added new configuration variables to the 'show' command.
- rc.taskd.server specifies host:port of the task server.
- rc.taskd.credentials specifies user credentials for the task server.
- rc.taskd.certificate specifies the task server certificate.
- rc.debug.tls shows TLS log information, for debugging.

src/commands/CmdShow.cpp

@@ -133,6 +133,7 @@ int CmdShow::execute (std::string& output)
     " dateformat.info"
     " dateformat.report"
     " debug"
+    " debug.tls"
     " default.command"
     " default.due"
     " default.priority"
@@ -187,6 +188,7 @@ int CmdShow::execute (std::string& output)
     " shell.prompt"
     " tag.indicator"
     " taskd.server"
+    " taskd.certificate"
     " taskd.credentials"
     " undo.style"
     " urgency.active.coefficient"