Hide #dependencies-graph on ESC

If user presses ESC key, the dependencies graph widget should close.
Update cpan.js
Update cpan.js
add a link to the author's test matrix
Consolidate tens of thousands of redundant TAP lines
Tidy so the tidyall tests pass on travis :-P
Display Pauseid on hover & Round corners.
Add plusser info.
Display hover minor change.
Merge pull request #1181 from Talina06/update-plussers

Display PauseId on hover & Round corners.
Merge pull request #1180 from Talina06/update_news

Add plusser info to News.md.
Merge pull request #1178 from book/book/author-matrix

add a link to the author's test matrix
Merge pull request #1177 from chankeypathak/patch-1

Hide #dependencies-graph on ESC
Moves the plusser icon title to the img tag.