Merge pull request #5 from robinator/master

Style stuff and changes from the robinator
add page substitution
bump version number
cleanup
fix merge conflict
update gemspec to lock elasticsearch ruby version
bump version
add hosts_configuration based on OPTS . . . change?
update gemspec to lock elasticsearch version at ~>0.4.1 and bump version again
Update elastic_queue.gemspec
fix merge conflict
get config from elastic_queue.yml
bump version number
cleanup
cleanup
fix problem with failure on incomplete config file, bump version
Merge pull request #6 from robinator/master

Rescue not found errors when deleting a model.
bump version number
Add ability for queues to define default and named scopes that are chainable.