Bug #420 - Missing ID from help output

- Applied patch from Ed Neville to correct help output for the
  append and prepend commands.

AUTHORS

@@ -23,6 +23,7 @@ The following submitted code, packages or analysis, and deserve special thanks:
   Emil Sköldberg
   Johannes Schlatow
   Michal Josífko
+  Ed Neville
 
 Thanks to the following, who submitted detailed bug reports and excellent suggestions:
   Eugene Kramer

ChangeLog

@@ -48,6 +48,7 @@
  + Fixed bug #405, which incorrectly compared dates on tasks created by
    versions earlier than 1.9.1 to those created by 1.9.1 or later (thanks to
    Ivo Jimenez).
+ + Fixed bug #420, missing 'ID' from help text (thanks to Ed Neville).
  + Fixed bug that prevented 'task list priority.above:L' from working.
  + Fixed bug that miscalculated terminal width for the ghistory.annual
    report.

src/report.cpp

@@ -83,11 +83,11 @@ int shortUsage (std::string &outs)
   table.addCell (row, 2, "Adds a new task that is already completed.");
 
   row = table.addRow ();
-  table.addCell (row, 1, "task append [tags] [attrs] desc...");
+  table.addCell (row, 1, "task append ID [tags] [attrs] desc...");
   table.addCell (row, 2, "Appends more description to an existing task.");
 
   row = table.addRow ();
-  table.addCell (row, 1, "task prepend [tags] [attrs] desc...");
+  table.addCell (row, 1, "task prepend ID [tags] [attrs] desc...");
   table.addCell (row, 2, "Prepends more description to an existing task.");
 
   row = table.addRow ();