Manticore Search 2.6.0 release

Manticore Search 2.6.0 has been released.

This version introduces Percolate Queries. Please note that this functionality is in an early stage.
We call for test this. Any feedback is appreciated. Find more info in the doc and in our blogpost.
Several new features and improvements have been made, you can read more about in the announcement:
https://manticoresearch.com/2017/12/29/manticore-search-2-6-0-release/