docs: add changelog for 3.1.0

fix(animations): use parsers from core modules (NativeScript#844)

fixes NativeScript#738

docs: update 3.0.0 changelog (NativeScript#780)

release: cut the 1.5.2 release (NativeScript#758)

* release: cut the 1.5.2 release

* docs: update CHANGELOG for 1.5.2

release: cut the 1.5.2 release (NativeScript#758)

* release: cut the 1.5.2 release

* docs: update CHANGELOG for 1.5.2

release: cut the 1.5.1 release (NativeScript#732)

* release: cut the 1.5.1 release

* docs: update CHANGELOG for 1.5.1

release: cut the 1.5.1 release (NativeScript#732)

* release: cut the 1.5.1 release

* docs: update CHANGELOG for 1.5.1

fix(list-view): Do not access destroyed items' ng views.

fix(list-view): Do not access destroyed items' ng views.

fix(animations): set nodeType 'element' to newly created views (Nativ…

…eScript#720)

this is required because of checks in DomAnimationEngine
Caused by: angular/angular@80075af