Fix: #2705 - Break EditGedcomRecordController into request handlers

Fix: #2626 empty slugs cause redirect loop

wip

Working on routing

Move business logic from controller to service

Working on routing

Strict types

Replace Bootstrap4 class with views

Fix: #691 - _MARNM deleted when updating other names parts

Replace duplicated code with function

Update new-individual.phtml (#2325)

Fixes #952

Fixes marriage name order in hungarian and vietnamese language in the edit a new individual.

Use Collection class

Rename functions getFoo() to foo() and return collections instead of arrays

Refactor class User - use NULL-object pattern for guests and temporary users, create UserService

Working on icons

Remove unused parameter

Remove unused parameter

Prefer class-constants to global-constants

Rename GedcomRecord::getXref() to xref()

Rename Tree::getTreeName() to name()

Rename Fact::getGedcom() to gedcom()

Rename Fact::getFactId() to id()

Rename Fact::getAttribute() to attribute()

Rename Fact::getValue() to value()

Use .phtml extension for template files