remove xpand references
loadproject from reference
missing call to base

https://github.com/expand/eXpand/commit/ed45dd4842bbae488395629b0de7378dd38be135#commitcomment-3152824
- Removed DX public key tokens from references in csproj files.
- Added .gitignore
[- LayoutManager: Introduced MasterDetailLayout event by derjabkin]
- MasterDetailLayoutEventArgs added
- MasterDetail: Fixed registration fo XpandASPxGridListEditor
12.2.8.11