Do not auto complete some input boxes

Database deletion and declaring a server dead
Report the keys only for primary and secondary roles - See #1836
Remove green tick from 'Started' when creating an index
Refer to container.state.history instead of container.history -- See #2389
Use a better regex for email -- See #2378
Fix typo -- See #2394
Add databae in the title of the table page
Escape raw view's content - #2501
Do not try to access information of a removed server
Drop hasNext + refactor cursor and feed
Fixed a bunch of style problems.
Fixed process_a_leaf bug (or fragile API usage) in erase_range.cc.
Merge branch 'michel_1836_num_docs' into next
Merge branch 'michel_2309_autocomplete' into next
Merge branch 'michel_2084_green_tick' into next
Merge branch 'michel_2389_history' into next
Merge branch 'michel_2378_email' into next
Merge branch 'michel_2366_table_view' into next
Merge branch 'michel_2501_raw' into next
Merge branch 'michel_2394_typo' into next