.osx: Fix `ShowPathBar` typo

Closes #204.
.bash_profile: Try to grunt more quietly

Ref. #209.
.functions: Add `gitio`

Closes #210.
.osx: Don’t automatically rearrange Spaces

Closes #213.
.gitconfig: Tweak `l` alias
Update to Bash v4.2.45
crlf settings
Merge branch 'master' of https://github.com/mathiasbynens/dotfiles

* 'master' of https://github.com/mathiasbynens/dotfiles:
  Update to Bash v4.2.45
  .gitconfig: Tweak `l` alias
  .osx: Don’t automatically rearrange Spaces
  .functions: Add `gitio`
  .bash_profile: Try to grunt more quietly
  .osx: Fix `ShowPathBar` typo