Update documentation files for es 1.4.3

Author: ruflin

README.markdown

@@ -21,7 +21,7 @@ Dependencies
 ------------
 | Project | Version | Required |
 |---------|---------|----------|
-|[Elasticsearch](https://github.com/elasticsearch/elasticsearch/tree/v1.4.2)|1.4.2|yes|
+|[Elasticsearch](https://github.com/elasticsearch/elasticsearch/tree/v1.4.3)|1.4.3|yes|
 |[Elasticsearch mapper attachments plugin](https://github.com/elasticsearch/elasticsearch-mapper-attachments/tree/v2.4.1)|2.4.1|no|
 |[Elasticsearch thrift transport plugin](https://github.com/elasticsearch/elasticsearch-transport-thrift/tree/v2.4.1)|2.4.1|no|
 |[Elasticsearch memcached transport plugin](https://github.com/elasticsearch/elasticsearch-transport-memcached/tree/v2.4.1)|2.4.1|no|

changes.txt

@@ -1,11 +1,16 @@
 CHANGES
 
+2015-02-16
+- Update elasticsearch compatibility to 1.4.3 #782
+- Add support for scripted metric aggrations #780
+
 2015-02-14
 - Added availability to specify regexp options in \Elastica\Filters\Regexp #583 #777
 - Add HHVM as build in travis #649
 
 2015-02-11
-- Fixed issue with OutOfMemory exception in travis builds
+- Fixed issue with OutOfMemory exception in travis builds #775
+- Add support for filters aggregation #773
 
 2015-01-27
 - Exception\ElasticsearchException now can be catched like all other exceptions as Exception\ExceptionInterface