- for all the plugins optimized the plugin name
- renamed the app to FlatCAM Evo in order to make a difference from FlatCAM app which follows its own path
- modified the splash image to reflect the new naming of the app
- modified some of the documents (License, Readme) in the app to reflect the actual reality in 2021
- updated the autocompleter list for the Tcl commands with missing Tcl commands names
- added three new Tcl Commands: add_aperture (adds an aperture to a Gerber object), add_drill and add_slot (add a drill/slot to an Excellon object)
- in ToolsDB2UI class made the vertical layouts have a preferred minimum dimension as opposed to the previous fixed one
- in Geometry Object made sure that the Tools Table second column is set to Resize to contents
- fixed the issue with factory_defaults being saved every time the app start
- fixed the preferences not being saved to a file when the Save button is pressed in Edit -> Preferences
- fixed and updated the Transform Tools in the Editors
