gemnasium: fix devDependencies badge
LRU cache that doesn't compare all timestamps…

… every time we add something to it when the cache is full.
Fix typo in README.md
Cache all badges to show them if the vendor is not accessible.
Set the serverUnresponsive flag correctly.

Even when we can send cache data.
Send cached badge directly if statistically accurate.

See rationale here:
<https://github.com/badges/shields/issues/161#issuecomment-41812007>.
When failing to get data from a vendor while having sent a badge from cache,

… we stop faster.
Get latest GitHub release by creation dates comparison

Fixes #169
Total and daily downloads for Packagist.

Fixes #167.
Update website.
Add a lot more metric prefixes.
Add latest semver for version comparing
Added puppet forge (version) support
Added puppet forge to the examples
Small fixes.
Shorter metric prefix map.
Readme: mention VersionEye.

Part of issue #35.
[CocoaPods] Use Orta-sanctioned colors

See https://github.com/CocoaPods/pod-template/issues/44