Entering fixes from Hugo

renaming compose-overview back to index
Updating with fixes per Aanand. And others found through test

Signed-off-by: Mary Anthony <mary@docker.com>

docs/Dockerfile

@@ -8,17 +8,17 @@ COPY . /docs/content/compose/
 
 # Sed to process GitHub Markdown
 # 1-2 Remove comment code from metadata block
-# 3 Remove .md extension from link text
-# 4 Change ](/ to ](/project/ in links
-# 5 Change ](word) to ](/project/word)
-# 6 Change ](../../ to ](/project/
-# 7 Change ](../ to ](/project/word)
+# 3 Change ](/word to ](/project/ in links
+# 4 Change ](word.md) to ](/project/word)
+# 5 Remove .md extension from link text
+# 6 Change ](../ to ](/project/word) 
+# 7 Change ](../../ to ](/project/ --> not implemented
 # 
 # 
 RUN find /docs/content/compose -type f -name "*.md" -exec sed -i.old \
     -e '/^<!.*metadata]>/g' \
     -e '/^<!.*end-metadata.*>/g' \
-    -e 's/\([(]\)\(.*\)\(\.md\)/\1\2/g' \
     -e 's/\(\]\)\([(]\)\(\/\)/\1\2\/compose\//g' \
-    -e 's/\(\][(]\)\([A-z]*[)]\)/\]\(\/compose\/\2/g' \
+    -e 's/\(\][(]\)\([A-z].*\)\(\.md\)/\1\/compose\/\2/g' \
+    -e 's/\([(]\)\(.*\)\(\.md\)/\1\2/g'  \
     -e 's/\(\][(]\)\(\.\.\/\)/\1\/compose\//g' {} \;