Added description field

As specified by the composer schema docs (https://getcomposer.org/doc/04-schema.md#description) and verified by personal experience with a previous version of https://packagist.org/packages/barnabywalters/gist-test not working, the `description` key MUST be present in a “strictly minimal” package definition.
Bump hsts to 1y
Merge pull request #384 from barnabywalters/patch-1

Added description field
Issue #142 - New package maintainers will be notified by email.
Cleaning code for previous commit- Issue #142.
Cache sql queries
More sql and page caching
Merge pull request #385 from otar/master

Issue #142
Minor fixes, refs #385
Fix url
More query optimization
Nicer number format for download counts
Avoid querying the whole db in case packages.json is missing on packagist.org
Attempt to reduce massive queries to quicken package updates
Merge remote-tracking branch 'codeclown/patch-1'
Adjust formatting to match other pages
Restyling charts with Chart.js library
Added legends to charts
Fixed daily downloads graph (display only -30 days)
Message for browsers that don't support canvas element