Update .travis.

.travis.yml

@@ -22,13 +22,16 @@ jobs:
         # Install a more recent version of Doxygen.
         - git clone --depth=1 --branch Release_1_8_15 https://github.com/doxygen/doxygen.git; cd doxygen; mkdir build; cd build; cmake -G "Unix Makefiles" ..; make -s && sudo make install; cd ../..
         # Prepare docs in root directory.
+
+        # Remove docs/ prefix from all .md files for linking.
         - sed -i'.bak' -e 's|docs/||g' *.md 
+        # Convert any ./src/ style links to the fully qualified URL.
         - sed -i'.bak' -e 's|[(]\.\(\.*/\)|(https://github.com/'"$TRAVIS_REPO_SLUG"/tree/master'\1|g' *.md
         # Move into the docs directory.
         - cd docs/
         # Get the docs from the root directory.
         - cp ../*.md
-        # Remove docs/ prefix from all .md files for linking.
+        - ls -la
         # Fix any links to the Github pages.
         - sed -i'.bak' -e 's|../..|https://github.com/'"$TRAVIS_REPO_SLUG"'|g' *.md;
         # Generate the documentation.