Removed unnecessary instruction for slack integration setup
Fixed Slack doc formatting
Cleaned up formatting, added Slack documentation
Fixed AD auth direction formatting
Updated Self Hosting (markdown)
remedy spelling errors.
Updated Frequently Asked Questions (markdown)
removed references to .yml files
Updated Elasticsearch setup guide (markdown)
Updated Filtering Searching (markdown)
Fixed broken page formatting (no text changes made).
Removed reference to mapper-size plugin
Changed 'Uncomment' to 'Comment out' for <remove name="RewriteModule" />
Updated Upgrading (markdown)
add mapper-size to plugins section
add mapper-size to elastic search production setup steps
Missing comma
Small changes, adds some extra detail and clarity esp about folder permissions.
Removed rolling log file code as this is the default in 5.x
Updates for elasticsearch 5
WIP upgrading from v3 to v4
Updated _Sidebar (markdown)