Code cleanup
- updated deprecated calls
- cleaned up PHPDoc comments
Removed property path changes again
Added missing string field attributes, according to http://www.elasticsearch.org/guide/reference/mapping/core-types.html
Merge pull request #248 from kostiklv/missing-field-options

Added missing string field attributes
Add advanced query example to README
Revise language for advanced query example
Normalize DateTime values as ISO 8601 strings
Merge branch '2.0'

Conflicts:
	Transformer/ModelToElasticaAutoTransformer.php
Fix format typo for ISO 8601 date conversion

See: dd00409e85e2f3b17edc43cbd347f2d5be6dda76 (typo on my part when cherry-picking that commit).
Update test assertions for date format
Merge branch '2.0'
Allow processing of null mappings in configuration
Changed configuration to implement ConfigurationInterface
Replace minimum-stability with ODM dev requirements
Update package installation for Travis CI
Merge branch '2.0'

Conflicts:
	.travis.yml
	composer.json
Rename FOQ namespaces and services to FOS
Rename FOQ namespaces and services to FOS
Merge branch '1.0.x'

Conflicts:
	Command/PopulateCommand.php
	Command/SearchCommand.php
	DependencyInjection/Compiler/AddProviderPass.php
	DependencyInjection/FOQElasticaExtension.php
	Doctrine/AbstractListener.php
	Doctrine/AbstractProvider.php
	Doctrine/MongoDB/Listener.php
	Doctrine/MongoDB/Provider.php
	Doctrine/ORM/Listener.php
	Doctrine/ORM/Provider.php
	FOQElasticaBundle.php
	Finder/TransformedFinder.php
	IndexManager.php
	MappingRegistry.php
	Paginator/AbstractPaginatorAdapter.php
	Paginator/RawPaginatorAdapter.php
	Paginator/TransformedPaginatorAdapter.php
	Populator.php
	Propel/Provider.php
	Provider/ProviderInterface.php
	README.md
	Repository.php
	Reseter.php
	Resources/config/config.xml
	Resources/config/mongodb.xml
	Resources/config/orm.xml
	Resources/config/propel.xml
	Tests/Doctrine/MongoDB/ListenerTest.php
	Tests/Doctrine/ORM/ListenerTest.php
	Tests/IndexManagerTest.php
	Tests/MappingRegistryTest.php
	Tests/PopulatorTest.php
	Tests/ReseterTest.php
	Transformer/ElasticaToModelTransformerCollection.php
Rename FOQ filenames to FOS