codeeditor: r-mode fixes
R: starting to integrate an alternative approach to evaluating R expressions using lively-R-evaluate https://github.com/rksm/lively-R-evaluate
codeeditor: r-mode fixes
network: delete request does not use forceUncached and addNoCacheHeader any longer
RInterface: adding support for lively-R-evaluate
R subserver: support for lively-R-evaluate
RInterface: stop lively-R-evaluate commands from within Lively
RInterface: menu items for swotching R eval mode
Merge pull request #157 from LivelyKernel/better-r-evaluation

Better r evaluation