1.2.0

Enhancements:

• Added -j: JSON output and input (optional, requires libyajl)
• Added -f ..fmt..: Configurable output formatting
• Added -T option to mimic tee behaviour (@fsaintjacques)
• Added -Z: NULL message and key support (for log compaction)
• Added RPM spec file (@fsaintjacques)
• Added man page kafkacat(1)
• Offsets are now stored immediately on printed message

Fixes:

• Fixed partial output writes (@fsaintjacques)
• Consuming empty messages caused fatal error (issue #29)
• Exit with 1 if any messages fails delivery (issue #36)
• With -e: Stop consuming partition when EOF is reached (issue #33)

Thanks to @fsaintjacques, @redmar, @Whissi, @vincentbernat