Highly untested and may break world

Current release 1.11.2-1.4.0-87

• Jetpacks massivly improved
• fix jetpack not deactivating in certain conditions, fly speed interference
• Fix #1228
• Fix #1215 #1199, make sure planets know where they're going
• fix gravity becoming gravy, +1 if you get the reference, #1211
• fix name in pressurized tank
• fix bad localization with solar collector
• fixes #1213
• fix white screen with rocket builder, with AR only
• fix #1210
• add sizes to artifacts
• fix #1165
• Don't push default values to XML
• prevent crash if a planet is removed
• fix a few mistakes
• update version number
• Address #1205
• Add some variation in lunar spawning, liquid oxygen lakes
• terrain gen revamp, added cave planets, they are very slow
• clean some rendering code