4WS.Platform: released a new version 5.1.1

These are the new features and fixes included with this realese:

Community Edition
- Fixed problem with virtual fields defined on grids/forms/filters, when updating objects or business components
- Fixed problem when executing SQL queries with aggregate functions, on SqlTool
- Added checking when deleting a panel: now also references to it will be removed in case it is a subpanel of another panel
- Fixed problem on showing the active relations in a b.c., when the join clause contains variables
- Removed slash characters in keys used on tranlations, since they didn't allow the correct translation on the server side
- Removed circular FK on PRM04_FUNCTIONS
- Fixed problem with GET_VALUE function on import data from grid, when the WHERE clause does not contain variables
- Fixed problem when invoking CloudConvert service, caused by a change in the SSL certificato for such a service
- Fixed problem with panel roles reading
- Fixed problem on creation of panes in existing windows, without specifying the title
- Fixed problem with date format, when exporting in XLS columns set as date without time
- Fixed problem with quick filter in grid, when pressing the ESCAPE button
- Added filling of POSITION field in CON27, in case of a free query on grid
- Fixed problem when exporting data from grids not configured graphically (e.g. Users)
- Fixed problem when exporting data from grids having virtual columns
- Fixed problem when copying a panel (id panel in actions and translations for labels/columns)
- Fixed problem with grid profiles in case of column sortings for columns which have been changed in some metadata
- Added support for 3 themes for the cloud environment and the color palette
- Added menu item named New Functionality, to guide newbies on creating windows
- Added events before and after import from grid
- Personalize template mail for forgot password
- New events for chart panel
- Added auto-completition for table name in SQLTool

Enterprise Edition
- New function for create preview image from pdf file
- New function to create a scale image form jpg or png file
- Added online chart and report for mobile