Fix issue with error on startup caused by use of brooklyn.jclouds in …

…property file

docs/use/guide/quickstart/brooklyn.properties

@@ -26,16 +26,16 @@
 # These should be an "Access Key ID" and "Secret Access Key" for your account.
 # This is configured at https://console.aws.amazon.com/iam/home?#security_credential .
 
-brooklyn.jclouds.aws-ec2.identity = AKA_YOUR_ACCESS_KEY_ID
-brooklyn.jclouds.aws-ec2.credential = YourSecretKeyWhichIsABase64EncodedString
+brooklyn.location.jclouds.aws-ec2.identity = AKA_YOUR_ACCESS_KEY_ID
+brooklyn.location.jclouds.aws-ec2.credential = YourSecretKeyWhichIsABase64EncodedString
 
 ## Rackspace Credentials
 
-brooklyn.jclouds.rackspace-cloudservers-us.identity = ACCOUNT_USERNAME
-brooklyn.jclouds.rackspace-cloudservers-us.credential = 0xApiKeyFromAccountSettingsAsHexString
+brooklyn.location.jclouds.rackspace-cloudservers-us.identity = ACCOUNT_USERNAME
+brooklyn.location.jclouds.rackspace-cloudservers-us.credential = 0xApiKeyFromAccountSettingsAsHexString
 # For UK you need a *different* account, at rackspace.co.uk account (disabled by default)
-#brooklyn.jclouds.rackspace-cloudservers-uk.identity = ACCOUNT_USERNAME
-#brooklyn.jclouds.rackspace-cloudservers-uk.credential = 0xApiKeyFromAccountSettingAsHexString
+#brooklyn.location.jclouds.rackspace-cloudservers-uk.identity = ACCOUNT_USERNAME
+#brooklyn.location.jclouds.rackspace-cloudservers-uk.credential = 0xApiKeyFromAccountSettingAsHexString
 
 ## Geoscaling Service (Used for global web fabric demo) https://www.geoscaling.com/dns2/
 brooklyn.geoscaling.username = USERNAME
@@ -129,20 +129,20 @@ brooklyn.geoscaling.primaryDomain = DOMAIN
 ##
 ##  Comment out those that you don't need.
 ##  Remember to define your identity and credential for each provider
-##  e.g: brooklyn.jclouds.aws-ec2.identity = ?
-##       brooklyn.jclouds.aws-ec2.credential = ?
-##       brooklyn.jclouds.cloudservers-us.identity = ?
-##       brooklyn.jclouds.cloudservers-us.credential = ?
+##  e.g: brooklyn.location.jclouds.aws-ec2.identity = ?
+##       brooklyn.location.jclouds.aws-ec2.credential = ?
+##       brooklyn.location.jclouds.cloudservers-us.identity = ?
+##       brooklyn.location.jclouds.cloudservers-us.credential = ?
 ##
 
 # Note: For the convenience of new users, we have specified Ubuntu 12.04 LTS AMIs within
 # AWS, deploying to m1.smalls, minimum. Ubuntu requires user = ubuntu. 
 # Please change these to better suit your requirements.
 # (Note: If no parameters are set jclouds will pick AMIs at random, user=root, t1.micros.)
-#brooklyn.jclouds.aws-ec2.identity = YOURAPIKEY
-#brooklyn.jclouds.aws-ec2.credential = YOURSECRETKEY
-brooklyn.jclouds.aws-ec2.minRam = 1600
-brooklyn.jclouds.aws-ec2.user=brooklyn
+#brooklyn.location.jclouds.aws-ec2.identity = YOURAPIKEY
+#brooklyn.location.jclouds.aws-ec2.credential = YOURSECRETKEY
+brooklyn.location.jclouds.aws-ec2.minRam = 1600
+brooklyn.location.jclouds.aws-ec2.user=brooklyn
 brooklyn.location.named.AWS\ Virginia\ (us-east-1) = jclouds:aws-ec2:us-east-1
 brooklyn.location.named.AWS\ Virginia\ (us-east-1).imageId = us-east-1/ami-d0f89fb9
 brooklyn.location.named.AWS\ Virginia\ (us-east-1).user = ubuntu
@@ -170,8 +170,8 @@ brooklyn.location.named.AWS\ Sao\ Paulo\ (sa-east-1).user = ubuntu
 
 # Similarly, here are definitions for HP Cloud - also Ubuntu 12.04 LTS
 # You specify your HP Credentials like this:
-# brooklyn.jclouds.hpcloud-compute.identity = projectname:username
-# brooklyn.jclouds.hpcloud-compute.credential = password
+# brooklyn.location.jclouds.hpcloud-compute.identity = projectname:username
+# brooklyn.location.jclouds.hpcloud-compute.credential = password
 # where username and password are the same as logging in to the web console, and
 # projectname can be found here: https://account.hpcloud.com/projects
 brooklyn.location.named.HP\ Cloud\ Arizona-1 = jclouds:hpcloud-compute:az-1.region-a.geo-1
@@ -234,12 +234,12 @@ brooklyn.location.named.Rackspace\ Sydney\ (syd) = jclouds:rackspace-cloudserver
 
 ## if you need to use Rackspace "first gen" API
 ## (note the "next gen" api configured above seems to be faster)
-# brooklyn.jclouds.cloudservers-us.identity = YOURAPIKEY
-# brooklyn.jclouds.cloudservers-us.credential = YOURSECRETKEY
+# brooklyn.location.jclouds.cloudservers-us.identity = YOURAPIKEY
+# brooklyn.location.jclouds.cloudservers-us.credential = YOURSECRETKEY
 # brooklyn.location.named.Rackspace\ US\ (First Gen) = jclouds:cloudservers-us
 ## and as with next gen, first gen requires a separate acct for the UK:
-# brooklyn.jclouds.cloudservers-uk.identity = YOURAPIKEY
-# brooklyn.jclouds.cloudservers-uk.credential = YOURSECRETKEY
+# brooklyn.location.jclouds.cloudservers-uk.identity = YOURAPIKEY
+# brooklyn.location.jclouds.cloudservers-uk.credential = YOURSECRETKEY
 # brooklyn.location.named.Rackspace\ UK\ (First Gen) = jclouds:cloudservers-uk
 
 # brooklyn.location.named.SeverLove = jclouds:serverlove-z1-man