Update Tern and Acorn to the latest.

This fixes #6018 and possibly others.
Grammatical improvements(Swedish)

Minor improvements to the Swedish language
Avoid wrapping in inline editors when they get too narrow
Move the nowrap attribute to the inline text editor container so it doesn't affect other kinds of inline editors
Merge pull request #6112 from Abbe98/master

Grammatical improvements(Swedish)
Merge pull request #6120 from adobe/nj/issue-5865

Avoid wrapping in inline editors when they get too narrow
Merge pull request #6064 from adobe/dangoor/6018-codehinthang

Update Tern and Acorn to the latest.