jackson: Upgrade to 2.4.2
slf4j: Upgrade to 1.7.7
logback: Update to gem 1.7.1, jar 1.1.2
httpclient-4: Update to client 4.3.5, core 4.3.2
codec: Update to 1.9
dbutils: Update to dbutils 1.6
httpclient-4: Broaden commons-codec dep to include 1.9
nekohtml: upgrade to 1.9.21
jdbc-postgres: Update to 9.3-1102
async-httpclient: Upgrade to 1.8.13
netty: Upgrade to 3.9.3
icu: Upgrade to 53.1
async-httpclient: update to netty ~> 3.9.2 per upstream, lock update for 3.9.3
slf4j: test for nil backtrace
slf4j: Return true for log methods, like ::Logger
slf4j: Add ruby ::Logger compatibility test
slf4j: Extensions for Ruby ::Logger compatibility
slf4j: Debug log the no-op attribute setter calls
History for compatibility updates
httpclient-4: Add sanity test_get