Use req-package instead of bundle

More options, deferred loading via use-package
Drop Tao name

No longer using God mode (only evil is left ;-) so tao and duality does
not make sense any more
Update gitignores, fix typos
Port modules to req-package equivalents
Make use of req-package (use-package) diminish functionality
Disable low-case chords
Keep leader key bindings with package configuration
core/misc renamed to core/functions

it actually only contains function definitions
Merge pull request #2 from saulius/refactor-v2

Refactor v2