COMPMID-1995: Minor code fixes.

-Remove FIXMEs and link to tickets.
-Pass large object by const reference.
-Implement copy assignment operator for Window.

Change-Id: I975223ac42ec424f153569a8c963f29e6b86ad29
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/899
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/utils/command_line/CommandLineParser.h b/utils/command_line/CommandLineParser.h
index 06c4bf5..f834af8 100644
--- a/utils/command_line/CommandLineParser.h
+++ b/utils/command_line/CommandLineParser.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -225,7 +225,7 @@
 
     for(const auto &option : _positional_options)
     {
-        //FIXME: Print help string as well
+        // TODO(COMPMID-2079): Print help string as well
         std::cout << option->name() << "\n";
     }
 }