Cleanup exercise scripts

* whitespace and comment cleanups only

Change-Id: Iab9c2d9a25c3473f14190d60f2f2cf5be0ed59dc

exercises/bundle.sh

@@ -17,6 +17,7 @@ set -o errexit
 # an error.  It is also useful for following allowing as the install occurs.
 set -o xtrace
 
+
 # Settings
 # ========
 

exercises/client-args.sh

@@ -1,11 +1,14 @@
 #!/usr/bin/env bash
 
+**client-args.sh**
+
 # Test OpenStack client authentication aguemnts handling
 
 echo "*********************************************************************"
 echo "Begin DevStack Exercise: $0"
 echo "*********************************************************************"
 
+
 # Settings
 # ========
 
@@ -38,7 +41,7 @@ export x_USERNAME=$OS_USERNAME
 export x_PASSWORD=$OS_PASSWORD
 export x_AUTH_URL=$OS_AUTH_URL
 
-#Unset the usual variables to force argument processing
+# Unset the usual variables to force argument processing
 unset OS_TENANT_NAME
 unset OS_USERNAME
 unset OS_PASSWORD

exercises/client-env.sh

@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 
+**client-env.sh**
+
 # Test OpenStack client enviroment variable handling
 
 echo "*********************************************************************"
 echo "Begin DevStack Exercise: $0"
 echo "*********************************************************************"
 
-# Verify client workage
-VERIFY=${1:-""}
 
 # Settings
 # ========

exercises/floating_ips.sh

@@ -83,7 +83,7 @@ if ! nova secgroup-list | grep -q $SECGROUP; then
     fi
 fi
 
-# determinine instance type
+# Determinine instance type
 # -------------------------
 
 # List of instance types:
@@ -100,6 +100,7 @@ NAME="ex-float"
 VM_UUID=`nova boot --flavor $INSTANCE_TYPE --image $IMAGE $NAME --security_groups=$SECGROUP | grep ' id ' | get_field 2`
 die_if_not_set VM_UUID "Failure launching $NAME"
 
+
 # Testing
 # =======
 

exercises/swift.sh

@@ -40,6 +40,7 @@ CONTAINER=ex-swift
 # exercise is skipped.
 is_service_enabled swift || exit 55
 
+
 # Testing Swift
 # =============