Avoid warning in sdb makefile
Implement 'ecj' to show color configuration in JSON
Handle return 0 in RDebug.reg_read() for manual sync
Fix #1691 - Add comments, xrefs and flags in pdj

jump lines should be done in the client side. all the
information required to do the lines is in this json.
Fix #1694 - Fix dcs after ds
Implement emacs keybindings for Visual mode (thanks jonatanhal)
Fix rpnesil ',' (nop) continuation issues
Handle emacs keys ^f and ^b in dietline too