Add Spices for Bitcoin blocks, transactions and addresses
IPLookup: First rough version based on RobTex's API
IPLookup: Fixing tab name
IPLookup: Adding negative tests and adding attribution
Movies: Change images that end in png, too.
Merge pull request #857 from duckduckgo/jag/spring

Tumblr: Remove since we're not using it.
AlternativeTo: add heart instead of 'likes' and change the style
Fix for issue 900: Don't trigger on "twitter api" or "twitter developer"
https://github.com/duckduckgo/zeroclickinfo-spice/issues/900
IPLookup: Fixing incorrect classes and returning api_result.ddg to the handlebars to reduce confusion
added the plural forms of the skip words
Merge pull request #923 from ecounysis/master

Fix for issue 900: Don't trigger on "twitter api" or "twitter developer"
Airlines - Move global var definition outside callback
This is because the callback and helper functions both use
these globals
AlternativeTo: a few more style changes
Merge pull request #922 from MariagraziaAlastra/alternativeto2

AlternativeTo: add heart instead of 'likes' and change the style
Gravatar - add missing closing paren, fix indentation, remove
unnecessary use strict statements
Gravatar - whoops, import 'this' into closure
IPLookup: specific URL
IPLookup: Tweaks suggested by @jagtalon
IPLookup: Added blacklist information if available
IsItUp - Switch back to base template to preserve design