hyperlinks in group arcs#230

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harrysouthworth wants to merge 2 commits intochristophergandrud:masterfrom

harrysouthworth:master

Commits on Feb 8, 2018

Adding ability to make group arcs link to new pages
harrysouthworth
committed
Updating roxygen, allowing links to open in the same page, making default to be FALSE (not NULL)
harrysouthworth
committed