Initial commit
added comments
added numeric search and test
Cleaned and commented code
updated test to match secondary example queries
Calculator: better guard for no-ops.

The old gaurd was kinda whacky (and wrong) and inverted all the logic.
So we'll dump out early when we recognize that no operations will be
done.
updated to @mwmiller's suggested cleanup
removed font for consistency with site
Merge pull request #730 from killerfish/dnsfont

PublicDNS font updated
use utf8
space
Merge pull request #731 from duckduckgo/jd/utf8

use utf8
Merge pull request #729 from mwmiller/tautology

Calculator: better guard for no-ops.
add next/pre month links for calendar
account for year in next/pre links
Initial commit for "Uptime" goodie
Conversions: update to 0.026.

Corrects the conversion factor for square kilometers, fixing #733 in the
process.

Also, adding a couple more regression area tests, with answers confirmed
via alternative sources.
Merge pull request #735 from mwmiller/conversions_update

Conversions: update to 0.026.
- Use DDG::GoodieRole::NumberStyler i.o. Regex:Common
- Test and remove '%' in one operation
Added a test