Extra changes to pull request #2

Changes to make it work with newer versions of Unity Added a Template scene to use with the prefabs instead of an empty one

Refactoring

namespaces split files some more fixes

refactorings

• namespaces

• the tool remembers the scene view of the intial scene and automatically returns back to it

• extra buttons for:

  • resetting the view to prefab or origin

  • moving the view to prefab or origin

  • save and finish

  • finish (rename of go back)

added a help text to the top of the toolbox

• fixed an issue where the editor views gets stuck after reset

Add option to automatically execute actions from the window menu as soon as the prefab is opened

Add remember last position of the prefab editor, and start in the top left corner by default