Add customisation hooks for various stages of jclouds machine provisioning
Renamed HttpFeedIntegrationTest to HttpFeedTest
Merge pull request #460 from aledsage/fix/HttpFeedTest

Renamed HttpFeedIntegrationTest to HttpFeedTest
jclouds customization hooks: incorporate review comments

- Marks JcloudsLocationCustomizer as @Beta
- Adds BasicJcloudsLocationCustomizer
Merge pull request #1 from aledsage/jclouds-location-customizer

jclouds customization hooks: incorporate review comments
Fix ExecutionManager.getTasksWithAllTags signature

- Use Iterable<?> instead of Iterable<String> for parameter type
Move EffectorUtils from brooklyn.entity.basic to brooklyn.management.internal
Extract code from AbstractEntity to EffectorUtils

- For effector-invocation
AbstractEntity.parent/application: don't use EntityReference

- field is private and of type Entity, rather than using EntityReference
Add ManagementContext.getEntityManager

- Deprecates methods from ManagementContext.getEntity(id) etc
- Moves methods to EntityManager interface
Update uses of managementContext.getEntityManager().*

- Changed calls to deprecated methods in managementContext, to instead
  use getEntityManager().manage() etc.
- Updates lots of test cases to use Entities.manage(entity) etc
Merge pull request #431 from alasdairhodge/jclouds-location-customizer

Add customisation hooks for various stages of jclouds machine provisioning
Moves entity-tracking from *ManagementContext to LocalEntityManager
Tidy-up of ManagementContext impl
Merge pull request #449 from aledsage/refactor/AbstractEntity-cleanup

cleanup abstract entity, and extract EntityManager interface
add a version history
default deployment is now to filesystem on cloudfronted developers-origin,
with profile for deploying to artifactory;
docs updated to show same (new) preferred download URLs
fix docs build for the case where we are building docs for the root
brooklyn-dist should be in a directory named for the current version, not hanging off the root
update download links and instructions to reflect dist archive structure,
and be a little bit clearer in general