Hackage spice (JSON source not yet online)
Set service API to the prospective real site
Merge branch 'hackage' of https://github.com/nomeata/zeroclickinfo-spice into hackage
Added a sub-pluggin to handle another JSON file.
Added hasOwn.
Added "Is it snowing?" plugin.
Added the JS file for the "Is it snowing?" plugin.
Changed tabs into spaces.
Removed API key from the Snow plugin.
Started Airlines plugin for flight searches.
Added JS and CSS file for the Airlines plugin.
Added Airlines2. This will be merged with Airlines in the future.
Modified the regexp for Airlines2.

- "AA airlines 102" doesn't work.
Changed tab to spaces.
Translate plugin can now use the user's set language.

- "translate bonjour" will trigger the plugin,
  using both the user's set language and the result of the DetectLang plugin.
Fixed a problem with the function "get_params_wordreference."

- Faulty logic: `||` was changed to `&&.`
Translating Chinese, Japanase, Czech, and Korean now works.

Some languages return "OtherSideEntires" instead of "PrincipalEntries" or "Entries."
This is a reverse search (searching Czech to English would return English to Czech),
and I changed the code to detect a reverse search.
Removed italics from the results of the translate plugin.
Merge branch 'hackage' of https://github.com/nomeata/zeroclickinfo-spice into hackage-modifications
Modified Hackage Spice plugin.