v0.19.0

Changed

• Update logo and copyright (@ralphtheninja)
• Upgrade leveldown-hyper from ~0.10.0 to ~0.10.5 (@ralphtheninja)
• Upgrade level-packager from ~0.18.0 to ~0.19.3 (@ralphtheninja)
• Use proper version range for tape devDependency (@ralphtheninja)

Added

• Add node 0.12 to Travis (@ralphtheninja)
• Add iojs 1.8 and 2.0 to Travis (@ralphtheninja)

Removed

• Remove node 0.8 from Travis (@ralphtheninja)