Modify some spelling mistakes
There are some comment errors, it's modify 'Captial' to 'Capital' in
keystone file, and modify 'possition' to 'position' in openrc file, and
modify 'comming' to 'coming' in stack file, and
modify 'prefered' to 'preferred' in stackrc file.
Change-Id: I0fdd539cbfff842a4ba7fca9100b881443300f9a
diff --git a/stack.sh b/stack.sh
index 015ee6e..e924182 100755
--- a/stack.sh
+++ b/stack.sh
@@ -30,7 +30,7 @@
# NOTE(sdague): why do we explicitly set locale when running stack.sh?
#
# Devstack is written in bash, and many functions used throughout
-# devstack process text comming off a command (like the ip command)
+# devstack process text coming off a command (like the ip command)
# and do transforms using grep, sed, cut, awk on the strings that are
# returned. Many of these programs are interationalized, which is
# great for end users, but means that the strings that devstack