default emacs.d/init.el copied from emacs-kicker
customized version of init.el

- fine tune configuration
- add plugins and their configurations
- customize dimitri's configuration
- fix errors
emacs: add new plugin, config evil and flycheck
ignore installed/generated emacs config
emacs: use magit, customize evil, take care of mac meta/option key
improve tab width indentation
remove helm, clear out tool-bar, set font
set paths and maven/java/sbt options