clean up whitespace issues on exercises and friends

Change-Id: I812a73e46ddd4d5fed4d304d9ef92c1de243f497
diff --git a/exercises/floating_ips.sh b/exercises/floating_ips.sh
index 2833b65..1a1608c 100755
--- a/exercises/floating_ips.sh
+++ b/exercises/floating_ips.sh
@@ -113,7 +113,7 @@
 INSTANCE_TYPE=$(nova flavor-list | grep $DEFAULT_INSTANCE_TYPE | get_field 1)
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
-   INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
 fi
 
 # Clean-up from previous runs
@@ -168,7 +168,7 @@
     # list floating addresses
     if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! nova floating-ip-list | grep $TEST_FLOATING_POOL | grep -q $TEST_FLOATING_IP; do sleep 1; done"; then
         die $LINENO "Floating IP not allocated"
-     fi
+    fi
 fi
 
 # Dis-allow icmp traffic (ping)