Add accidentally removed new-line-below function
Split generic.el into several files

- Add a macro to disable ido-ubiquitous compatibility with
  `completing-read' for some packages.
- ido configuration in separate file.
Set echo-keystrokes to lesser value
Do not display continuation lines
Fix hippie-expand-lines

- Remove separate configuration file.
- Move function to misc-defuns.el.
- Move configuration to sane-defaults.el.