Emacs: Massive changes

Replace autocomplete-mode with company-mode (keep old code for
reference)
Scripts folder for own scripts in ~/.emacs.d/scripts
Evil-related improvements
undo-tree-mode (still no unlimited history …)
Add flycheck mode (automatic linting)
Add Emmet mode (fast XML syntax)
Add La Carte (menus from command line)
Language: Haskell
Language: Javascript
Language: Coffescript & Emberscript
Language: Go
Language: C
Language: Scheme
Emacs: Add imenu-anywhere