* Update of english version of descriprion of the table function `file`.
* New syntax for ReplacingMergeTree.
Some improvements in text.
* Significantly change article about SummingMergeTree.
Article is restructured, text is changed in many places of the document. New syntax for table creation is described.
* Descriptions of AggregateFunction and AggregatingMergeTree are updated. Russian version.
* New syntax for new syntax of CREATE TABLE
* Added english docs on Aggregating, Replacing and SummingMergeTree.
* CollapsingMergeTree docs. English version.
* 1. Update of CollapsingMergeTree. 2. Minor changes in markup
* Update aggregatefunction.md
* Update aggregatefunction.md
* Update aggregatefunction.md
* Update aggregatingmergetree.md
* GraphiteMergeTree docs update.
New syntax for creation of Replicated* tables.
Minor changes in *MergeTree tables creation syntax.
* Markup fix
* Markup and language fixes
* Clarification in the CollapsingMergeTree article
* DOCAPI-4821. Sync between ru and en versions of docs.
* Fixed the ambiguity in geo functions description.
* Example of JOIN in ru docs
* Deleted misinforming example.
* Descripion of VersionedCollapsingMergeTree
* Added VersionedCollapsingMergeTree to replication
* Updated the introduction to the engine.
* Updated the description of collapsing algorithm.
* Minor docs fix.
* Minor fixes in docs.
