Merge pull request #130 from gsegura/develop-suggestions

improve quality of the autocomplete results
Added code to load suggesters from configuration dinamically
Merge pull request #131 from lujameva/load_suggesters_from_config

Added code to load suggesters from configuration dinamically
Minor refactor to make SuggestionDoc inherit from Element
Merge pull request #133 from lujameva/autocomplete_feed_update_review

Minor refactor to make SuggestionDoc inherit from Element
Unit tests for collector classes
Merge branch 'develop-suggestions' of github.com:rmerizalde/opencommercesearch into develop-suggestions
Fixed broken test
Added tests to suggester code. Updated multi suggester to prevent a failure from returning suggestions. Classes in multi suggester config can now have spaces between them

Conflicts:

	opencommercesearch-api/app/org/opencommercesearch/search/suggester/MultiSuggester.scala
Merge pull request #136 from lujameva/suggester_tests

Added tests to suggester code
fix IndexableElement logic in product api to index only data from public