Show hidden files
Add osx::finder::show_hidden_files to README
Add osx setting for Dock position
Fix dock position
Add spec for dock position
Add setting to pin dock at the 'start', 'end', or 'middle'
Update README with dock position and pin_position
Merge pull request #35 from billyvg/master

Add settings to set the dock's screen edge position as well as pinning position
Fix Readme
Fix Readme
Merge remote-tracking branch 'upstream/master' into show-hidden-files

Conflicts:
	README.md
Fix README.md
Merge pull request #31 from chrisbobo/show-hidden-files

Show hidden files