.osx: Fix comment for menu bar items

Closes #459.
.osx: Use `-array` instead of `-array ""`

Ref. #350.
.osx: Remove “increase window resize speed”

Sadly, this doesn’t work anymore in OS X 10.10.
Add fileencodings setting in .vimrc
Add vim fencview plugin
make custom changes in .osx
Add cask.sh to install native apps
Add goagent shortcut script
Add formulae in brew.sh
Add .extra and .path
replace lastpass-universal with onepassword