Unit Tests

- Changed error wording to match the unit tests, which were correct.

src/commands/CmdModify.cpp

@@ -83,6 +83,7 @@ int CmdModify::execute (std::string& output)
     apply_defaults (*task);
 
     // Perform some logical consistency checks.
+    // TODO Shouldn't these tests be in Task::validate?
     if (task->has ("recur") &&
         !task->has ("due")  &&
         !before.has ("due"))

src/en-US.h

@@ -382,7 +382,7 @@
 #define STRING_LUA_BAD_EVENT         "Unrecognized hook event '{1}'."
 
 // Permission
-#define STRING_PERM_TASK_LINE        "task {1} \"{2}\""
+#define STRING_PERM_TASK_LINE        "Task {1} \"{2}\""
 #define STRING_PERM_RECURRING        "(Recurring)"
 
 // Record