Allow Segments to define multiple SQL columns if the segment value can be matched in any of those fields, and use to define two new segments: customVariableName & customVariableValue.

Make CustomVariableName/CustomVariableValue derive from VisitDimension instead of Dimension so we can define segments in them.

fixes #7085 - small css tweak to improve some widget layouts

Show pointer cursor only on sparklines that are linked to a graph

tweaks to the development menus 

Submodule UI tests: hid user menu from some UI tests + added UI demo to Platform user menu in development mode

Remove un-needed factory()

class already extends BaseFactory with class name & error msg overrides

Layout tweak for phone number listing in scheduled report

Mobile Messaging: adds SMS provider for development

Better logging messages in core:archive output

 * made output more consistent and easier to read by a human
 * better summary report for "Skipped websites" stats

Fixes #8216, fixed typo that caused ' beeing replace with ) in segment editor

Fixes #6593, in segment SQL join log_conversion on idvisit so segmentation on Actions (page url, page title...) works for goals and ecommerce reports

Allow plugins to add query parameters to optout form

Catch exceptions in ScheduledReports generation so reports will still generate if individual reports fail