Upgrade external JavaScript libraries

[drebrez]

The following external JavaScript libraries should be upgraded:

• Bootstrap v4.1.3
• jQuery v3.3.1
• jQuery Editable Select - v2.2.5
• jquery-match-height 0.7.2
• jquery.serializeJSON 2.9.0
• Font Awesome Free 5.3.1
• Monaco Editor 0.12.0 -> Upgrade monaco-editor #155
• Popper.js v1.??
• Split.js v1.5.9