Override a few treebeard methods to add inclusive flag
get_siblings now defaults to inclusive=True
Merge pull request #191 from kaedroho/page-changes

Override a few treebeard methods to add inclusive flag
Index all fields by default
Removed some no longer needed configuration
Scrapped ElasticUtils, use Elasticsearch-py instead
Don't run tests with wagtailsearch signal handlers enabled
New ElasticSearch module now supports bulk insert
Give some feedback from the add_bulk command
Refactor of Indexed class
Replaced indexed_fields with search_fields
Search queries now operate on QuerySets
Install elasticsearch instead of elasticutils on travis
Install elasticsearch 0.4.4 for compatibility with ElasticSearch <1.x
Tests now succeed on elasticsearch 0.90.x
Fixed various bugs with ElasticSearch results retrieval
Renamed ElasticSearchResults._get_count() to .count()
Added search method to PageQuerySet