up symfony version to 2.3

Query/FilteredQuery.php

@@ -20,7 +20,7 @@ use ONGR\ElasticsearchBundle\DSL\Filter\AbstractFilter;
 class FilteredQuery extends AbstractFilter implements BuilderInterface
 {
     /**
-     * @var Query
+     * @var Query used inside filtered area.
      */
     private $query;
 

Query/MoreLikeThisQuery.php

@@ -22,7 +22,7 @@ class MoreLikeThisQuery implements BuilderInterface
     use ParametersTrait;
 
     /**
-     * @var string
+     * @var string The text to find documents like it, required if ids or docs are not specified.
      */
     private $likeText;
 

Query/QueryStringQuery.php

@@ -22,7 +22,7 @@ class QueryStringQuery implements BuilderInterface
     use ParametersTrait;
 
     /**
-     * @var string
+     * @var string The actual query to be parsed.
      */
     private $query;
 

Query/RegexpQuery.php

@@ -22,12 +22,12 @@ class RegexpQuery implements BuilderInterface
     use ParametersTrait;
 
     /**
-     * @var string
+     * @var string Field to be queried.
      */
     private $field;
 
     /**
-     * @var string
+     * @var string The actual regexp value to be used.
      */
     private $regexpValue;
 

Query/SimpleQueryStringQuery.php

@@ -22,7 +22,7 @@ class SimpleQueryStringQuery implements BuilderInterface
     use ParametersTrait;
 
     /**
-     * @var string
+     * @var string The actual query to be parsed.
      */
     private $query;