Indiewebify pump.io by adding h-entry and h-card

This adds h-entry and h-card microformat 2 semantic data to pump.io entries.  This is the minimum amount of semantic information needed for pump.io content to be used in an indieweb style reply context.

Tools for inspecting the data:
http://pin13.net/
http://indiewebify.waterpigs.co.uk/

Microformat 2 Info:
http://microformats.org/wiki/microformats-2

Indieweb Commenting info:
http://indiewebcamp.com/comments