Replaced the horrid Tumblr sourcing stuff with respectable attribution.
v0.3.0: created respectable source/reblog linking.
v0.3.1: favor high-res photos on permalink pages
Revert "working on 0.3..."

This reverts commit b49adcecf4f4d4ccd1669f4ab89db1d38089f215.
Merge branch 'stable'