fix GFM links

Design.md

@@ -34,18 +34,18 @@
 <!-- - Design &gt; [Scalability Worksheet](design-scalability.html) -->
 - Design &gt; [User Interface Worksheet](design-ui.html)
 - Design &gt; [Persistent Storage Worksheet](design-persistence.html)
-- Design &gt; [Security Worksheet](design-security.html)
+- Design &gt; [Security Worksheet](Design-Security)
 
 ##### Related Documents:
 - [SRS](srs) &gt; [Use case suite](use-case-suite.html)
 - [SRS](srs) &gt; [Feature set](feature-set.html)
-- [Glossary](glossary.html)
+- [Glossary](Glossary)
 - ::LINKS TO RELEVANT STANDARDS
 - ::LINKS TO OTHER DOCUMENTS
 ---
 
 **Process impact:** This design document describes a system that will
-satisfy the requirements of the [SRS](srs.html). Decisions made in
+satisfy the requirements of the [SRS](SRS). Decisions made in
 creating this design document are based on those requirements and an
 understanding of available technologies and components. Once the design
 has been drafted, work on the system implementation and unit testing may
@@ -55,7 +55,7 @@ begin.
 your project.*
 
 ### Introduction
-&nbsp;
+
 #### How is this design document organized?
 This main page describes the system design in terms of packages,
 classes, relationships, and behavior. Several attached worksheets
@@ -66,14 +66,14 @@ interface and database design.
 ::PARAGRAPH or BULLETS
 
 #### What are the prioritized goals of this design?
-1. ::[Correctness](glossary-std.html#dg_correctness)
-2. ::[Feasibility](glossary-std.html#dg_feasibility)
-3. ::[Understandability](glossary-std.html#dg_understandability)
-4. ::[Implementation phase guidance](glossary-std.html#dg_guidance)
-5. ::[Modularity](glossary-std.html#dg_modularity)
-6. ::[Extensibility](glossary-std.html#dg_extensibility)
-7. ::[Testability](glossary-std.html#dg_testability)
-8. ::[Efficiency](glossary-std.html#dg_efficiency)
+1. ::[Correctness](Glossary-Std#dg_correctness)
+2. ::[Feasibility](Glossary-Std#dg_feasibility)
+3. ::[Understandability](Glossary-Std#dg_understandability)
+4. ::[Implementation phase guidance](Glossary-Std#dg_guidance)
+5. ::[Modularity](Glossary-Std#dg_modularity)
+6. ::[Extensibility](Glossary-Std#dg_extensibility)
+7. ::[Testability](Glossary-Std#dg_testability)
+8. ::[Efficiency](Glossary-Std#dg_efficiency)
 
 ### UML Structural Design