tcpflow: fix build on Snow Leopard

* use newer sqlite on older os x
* upstream patch for 10.6

Closes #25676.
document formula path helpers
add opt shortcuts to formula
use opt shortcuts
Add formula for Kafka 0.8.0
Use double quotes everywhere
Use /usr/libexec/java_home
Add ZooKeeper as a dependency
Change default partition count to 1 and symlink config to etc
Store logs in var/log/kafka and data in var/lib
Better path handling
Remove trailing whitespace
Simplify log inreplace and remove comments
Set $JAVA_HOME for bin scripts
Consistent path generation
kafka: add 0.8.0 bottle.