Editor: Moves the options button out of the text view.

Fixes an issue with the options button not positioning correctly when pasting text.
Makes it possible to view options without scrolling to the bottom of a long post.
Update Reachability pod to latest version 3.1.1
Merge pull request #1471 from wordpress-mobile/issues/1461-adjust-options-button

Editor: Moves the options button out of the text view.
Merge pull request #1475 from wordpress-mobile/issue/1474-update-reachability

Update Reachability pod to latest version 3.1.1
Merge branch 'develop' into issue/790-remove-artwork

Conflicts:
	Pods/Pods.xcodeproj/project.pbxproj