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Update minimum SDK version

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Fix errors in SharpIDE.Photino

wait before AddProject

reload sln on sln file change from disk

SolutionContextMenu - Reload Solution

reload roslyn workspace on SharpIde Sln reload

fix completion trigger in non-workspace files

SharpIdeSolutionService - reload sln

rename service

reload changed solution file presence

SolutionExplorerPanel - insert added projects at correct position

reload solution - handle presence of project on disk change

allow SharpIdeProjectModel.Folder to be null v2