Fix Doc mistakes and add log to gitignore.

This commit is to fix few gaps in documentation.

Change-Id: I20021bdfb94d143f21a17dac77ee157fec7ab0af
diff --git a/.gitignore b/.gitignore
index 324269e..cda7cbe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,3 +62,4 @@
 
 # Misc
 .stestr
+*.log