Without this change, the git client will auto-convert the line endings to CRLF, which leads to hash mismatches for unpacked maps, which would be especially bad if we were going to build the Windows package on a Windows system.
Adds the same rule for .lua files as well, in preparation for a change that will make those contribute to the map hash.
- show full name + version of the loaded mod in titlebar
- added a help menu with useful links
- added icons to to the menu with tooltips
- added a toolbar to the editor, closes#2825