Added new `g:indent_guides_soft_pattern` option
Add option g:indent_guides_default_mapping
Merge pull request #45 from sergey-vlasov/master

New `g:indent_guides_soft_pattern` option
Whitepace
Help file wording
Help file formatting
Update changelog
Merge branch 'option-no-mapping' of git://github.com/suy/vim-indent-guides into suy-option-no-mapping

* 'option-no-mapping' of git://github.com/suy/vim-indent-guides:
  Add option g:indent_guides_default_mapping

Conflicts:
	plugin/indent_guides.vim
Update the help file for the g:indent_guides_default_mapping option
Use consistent GitHub username format
Help file wording