public filePath PreSaving and PreUnsafeDelete
Merge pull request #9 from Unono/master

public filePath PreSaving and PreUnsafeDelete
remove AssignCultures
fix NoteClient EntityOperationSettings
Help windows integration
Merge branch 'master' of https://github.com/signumsoftware/extensions

Conflicts:
	Signum.Engine.Extensions/Help/HelpLogic.cs
better windows integration with help
help integration with authorization
Merge commit 'a7ba819d393612e4d7d1fce84c87e8212c233b2e' into signumES
Merge branch 'signumES' of https://github.com/signumsoftware/extensions into signumES