recast _checklinks verb as _checkurl

remove stray doc item missed in #6966
say "URL" instead of "link" in tests
say "URL" instead of "link" in documentation
Update FAQ with information on uninstall issues
Update Spectacle to 0.8.8

binary and appcast checksums recomputed.
Upgrade VueScan to 9.4.51
Upgrade Quicksilver to 1.2.0
Upgrade vmware-fusion to 7.0.1-2235595
Merge pull request #7056 from ddinh/update-faq

Update FAQ with information on uninstall issues
Merge pull request #7063 from Ihavee/Ihavee

Upgrade vmware-fusion to 7.0.1-2235595
Merge pull request #7058 from scw/patch-1

Update Spectacle to 0.8.8
Merge pull request #7061 from crainiarc/quicksilver

Upgrade Quicksilver to 1.2.0
Merge pull request #7060 from codebeige/upgrade_vuescan

Upgrade VueScan to 9.4.51
Merge pull request #7050 from rolandwalker/recast_uses_of_link

Recast various uses of "link"
Upgrade Droplr to v4.2.0
Merge pull request #7066 from fainder/droplr

Upgrade Droplr to v4.2.0
Update Poedit to 1.6.10
Merge pull request #7057 from federicobond/poedit

Update Poedit to 1.6.10
Upgrade FontExplorer X Pro to v4.2.1

Update download URL for FontExplorer X Pro to avoid redirect