They were specialised versions of get/saveLibraryEntry that
complicated the interface.
This change removes them from localfilesystem, but the top
level module checks for their existence and uses them if
they are there - for backwards compatibility.
Closes#322
- nodes modules can be installed/removed dynamically at runtime
- nodes can be enabled/disabled
- onpaletteadd/onpaletteremove api added to node definitions
- initial implementation of nr-cli