Adding preliminary gretl support
Stan prelim support
use ess-eval-linewes to load files instead of ess-command
activate last-input functionality in ess--tb-start and not ess--dbg-start
document new features
adjust error regexp for julia
copyright notes in gretl and stan
cleanup gretl.el
add interactive help to gretl.el
Merge branch 'gretl'
add gretl and stan to documentation