V0.6.2 Merge branch 'dev'

* dev:
  upgrade to v0.6.2
  add root-path
  add local option; root_path: issue#7
update submodule
add new theme clr
add another demo in readme
fix markdown typoes
Merge branch 'dev'

* dev:
  update default config.toml
  upgrade to v0.6.3
  changes for 0.6.2 -> 0.6.3
  use clr as default theme
  rm submodule rux/res/default
  upgrade version
  add .DS_Store to ignore list

Conflicts:
	rux/res/default
Merge branch 'dev'

* dev:
  typoes
  update readme
  beta release
  remove docs

Conflicts:
	docs/theme.rst
typo cli docstrings
version 0.6.5