Fixed indentation problems

Indentation problems were causing build failures. They
were the result of not having empty lines between
rst directives, like .. bash. Also, there was a
malformed line in .gitmodules of the same type.

Change-Id: I0cd51bd975ea1016d89053ab48ee0c433f43ae93
Issue-Id: DOC-78
Signed-off-by: jsseidel <jsseidel@fastmail.com>
diff --git a/.gitmodules b/.gitmodules
index 7b8ef23..756acae 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -40,6 +40,6 @@
         ignore = dirty
 [submodule "docs/submodules/dcaegen2.git"]
 	path = docs/submodules/dcaegen2.git
-	../dcaegen2
+	url = ../dcaegen2
         branch = .
         ignore = dirty