Merge pull request #344 from webpatser/master

getConnection optimization
Fixed connection test
Test setting dynamic template based on the example from the ES documentation.
Merge pull request #358 from jappievw/dynamic_mapping_template

Test case dynamic template
Enhanced the Mapping Test to prevent undefined indices.
Perform all checks down the chain

Just validating the existence of a property doesn't presume it is automatically created by the dynamic template.
Merge pull request #359 from jappievw/dynamic_mapping_template

Dynamic mapping template (enhanced test)
Fixing bug in cluster server connection setup
Optimized Index::exists() method to not require a full _cluster/state call.
Fixed Elasica_Request reference to Request.
Changed Index::exists() to use query paramater of request() method.
Merge pull request #362 from cisox/master

Optimized Index::exists() method to not require a full _cluster/state call.
Merge pull request #361 from mattwillo/master

Bug fix for cluster server connection setup
Adding MaxScore information to ResultSet
Adding test for ResultSet class
Updating the changes file
Merge pull request #365 from filaruina/master

Adding Max Score information to ResultSet
Allow range facet to have to/from in isolation
style compliance update
Added setParent method to Mapping
Use --prefer-source for composer install

Makes builds more stable on Travis CI