RubyGems: Remove "ruby", "gem", and "gems" triggers.

These are ambiguous triggers.
RubyGems: Remove "ruby xml" test.

"ruby" is a very ambiguous and should not refer to RubyGems.
xkcd: Rename front-end files.
xkcd: Change name of the template.
Merge pull request #416 from duckduckgo/jag/xkcd/rename

xkcd rename files
https://github.com/duckduckgo/zeroclickinfo-spice/issues/325
https://github.com/duckduckgo/zeroclickinfo-spice/issues/418
added bullets for #325 using <ul>
https://github.com/duckduckgo/zeroclickinfo-spice/issues/325 added bulltets in front of stats
module with dashes now handled properly
adding to attributions
RubyGems: Get the original query and add a maximum to the list.
RubyGems: Add more trigger words.
RubyGems: Add "gem install" as a trigger.
RubyGems: Add the trigger word 'gem'.
Merge pull request #424 from duckduckgo/jag/release/rubygems

Release: RubyGems
improved formatting
Merge pull request #425 from dsteinbrunner/metacpan_allow_dashes

Metacpan: allow module lookups with dash separators
Pull Request Template: rename and clarify usage.

For more information, see:
- https://github.com/duckduckgo/zeroclickinfo-goodies/pull/341
- https://github.com/duckduckgo/duckduckgo-documentation/issues/36
Merge pull request #426 from mwmiller/pull_request_template

Pull Request Template: rename and clarify usage.