2019 v2

Fixed the issue where some report files could not be loaded in ControlExplorer since the 4.5 DLL version for 'C1.C1Report.CustomFields' was missing in the bin folder of WebForm.
Fixed the issue where WebForm 4.5 DLL and WInForm 4.5 DLL were missing in the bin folder of WebForm build.
Fixed the issue where the designer reference of WebForm's controls was changed to 45.
Fixed the issue where WebForm and WinForm DLLs could not be restored and license error was displayed.

Fixed the issue where H-Scrollbar overlapped the last row and fixed-columns offset and overlapped H-Scrollbar.
Fixed the issue where a part of the number in TextBox was hidden by the drop down button on applying the Bootstrap theme.

Fixed the issue where some files got skipped while uploading using C1Upload when the number of files was 2593.

Fixed the issue where data could not load and an error occurred in some sample pages.
Fixed the issue where the CDN link version still used is 142 instead of 143 in the 'C1ReportViewerMVC' sample.