Move prime.avm2.net.*, prime.js.net.*, and prime.net.*
classes from prime-display into prime-core.
Move left over neko classes into prime-core.
Move left over component classes into prime-components.
Move leftover layout class into prime-layout.
Leftover changes.
Move LangMan files into prime-locale.
Add empty license files and scripts to install/remove libs locally.
Fix up prime-signals for mlib.
Small fix-ups across .gitignore and .mlib files.
WIP for Editor/Viewer update.