Add a help link

[Mike Grant]

Add a help link to the bottom of the block, and set it to open in a new window.

[Mike Grant]

Added option for help link, references #23

→ <<cset c625b28d3fdc>>

[Mike Grant]

Added language string for help link, references #23

→ <<cset d62743f5ef32>>

[jezh]

I see the help link has been added and works but it needs to:

1) Be moved to top of the block 2) Made bold, perhaps the same text format as the section titles

Below is a screen shot of how it looks currently

[Mike Grant]

Moved help link to top right

Fixes #23

→ <<cset c01d16c37787>>