Move Debian alternatives entry up.

Move the Debian alternatives entry up so it's below and grouped with
"no such file or directory" since it's an alternate solution to symlinking.
:arrow_up: status-bar@0.50.0
add Slackware install method
:arrow_up: apm@0.111.1
Prepare 0.154
:arrow_up: language-less@0.20
:arrow_up: language-python@0.25
Allow setting editor text content in HTML
Merge pull request #4406 from atom/mb-editor-text-content

Allow setting editor text content in HTML
:pencil: ability to pass DOM elements to atom.commands.add
Add `atom.services` API
:arrow_up: git-diff@0.45
:arrow_up: find-and-replace@0.150
Merge pull request #4405 from ryanpcmcquen/patch-1

:penguin: add Slackware install method
Merge pull request #4393 from envygeeks/patch-1

Move Debian alternatives entry up.
Merge pull request #4407 from atom/ns-add-services-api

Add atom.services API
Upgrade notifications to not show in dev mode
Guard against no stylesheet disposable
Add dismissing to notifications
Add getNotifications()