LibJF

Commits in Release 3.6.0:

• [build] Enable loom multi-project optimisation
• [*] enhance testmod metadata
• [config-core] remove unused testmod
• [root] fix runClient
• [root] update for 1.19.4-pre1
• [devutil] add two features from mod-fungible
• [config] use new @Ignore
• [config-ui-tiny] use tabs if upper level contains nothing of note
• [*] optimize imports
• [*] bump commons
• [config-ui-tiny] preliminary json editing support
• [root] bump to 1.19.4