Fix proxies for category names and active categories.
Merge pull request #22 from sergeykalenyuk/modifications

Fix proxies for category names and active categories.
Use native Magento indexer functionality for Algolia search.
Merge branch 'improvement' of https://github.com/sergeykalenyuk/algoliasearch-magento into sergeykalenyuk-improvement

Conflicts:
	code/Helper/Data.php
Merge branch 'sergeykalenyuk-improvement'
Fixed Data.php merge