Do not duplicate column names in strange situation when an axis is equal to the measurement
Remove attachments.isurl like in upstream
Remove bugs.keywords column like in upstream
Allow to disable old versions/milestones, rename components.is_active to components.isactive, like in upstream
Add profiles.is_enabled, profiles.last_seen_date columns, like in upstream
Various small schema changes
Fix field editing form, move js out of template
Change field type values for compatibility with upstream
WIP BUG_ID reverse relationships (implementation different to upstream)
Make BUG_ID reverse relationships function

* Show them on the bug form
* Allow to search on them
* Allow to set them in excel import
Hide (search) for multiselects and for bug_id_rev
Remove upstream fielddefs.is_numeric field
Migrate upstream 4.x field_visibility into our fieldvaluecontrol
Move JS from query form template into js/query-form.js
Remove extra <table> around select fields
Do not narrow select fields less than minimum width on hover
Sort legal_values case-insensitively
Use fielddefs.is_mandatory, like in upstream
Show names of non-functional Bug URLs and Keywords types
Fix DB update from 4.4 schema (at least for MySQL)