Added price column, tree view for for cubes and basis components. Need to fix delete/save/load functions, add onEdit for price, fix final pdf creation.
* Cupboard.db3: Fixed price count/recount, count/recount of cubes,
  counting/recounting of cubes contents. Still need to add report-fix.

* Order.cs:
Added few comments and fixed incorrect basis total price bug.
Added possibility to edit number of elements if cube/base.
* Cupboard.db3: Added additional tables for order saving.
* Order.cs:It seems, that order save is now fixed. Also fixed
  fasing and material selection (now it's only for whole cube or basis
  and not for included items).
* gui.stetic:
* CupboardDesigner.Order.cs:
Fixed some errors in code and in database structure. Now edit button correctly loads base. Now need to add load for cubes.
* Cupboard.db3: 
* Order.cs: Fixed loading/saving of order. Now need to fix
  nomenclatures admin mode edit.
Fixed nomenclature editor by setting ordinal field to NOT NULL in DB.