Use empty stdClass instead of empty array.

Make modifier argument optional.

In method addRandomFunction.
Elasticsearch expects object not array and empty array will not be made into object.

In method addFieldValueFactorFunction.
Elasticsearch documentation says that it is optional.

Merge branch 'remove-references-to-suggester' of https://github.com/bcremer/ElasticsearchDSL into bcremer-remove-references-to-suggester

# Conflicts:
#	src/Search.php

Fix query endpoint dependency

Fix missing dependencies for Search class

Suggester namespace was removed in commit
832934df.

git-subtree-dir: tests
git-subtree-mainline: 59707f7a
git-subtree-split: 8443d2f2

Merge branch 'patch-terms-aggregation' of https://github.com/chyzas/ElasticsearchBundle into chyzas-patch-terms-aggregation

# Conflicts:
#	DSL/Aggregation/TermsAggregation.php

Merge branch 'patch-terms-aggregation' of https://github.com/chyzas/ElasticsearchBundle into chyzas-patch-terms-aggregation

# Conflicts:
#	DSL/Aggregation/TermsAggregation.php

Endpoint factory messages

Endpoint factory messages

Removed SCROLL_DURATION constant, added search type constants

"If set to 0, the size will be set to Integer.MAX_VALUE"

"If set to 0, the size will be set to Integer.MAX_VALUE"