Refactor DDLogMessage: rename properties, make more Objetive-C-like and remove superfluous init method
Modernize DDDispatchQueueLogFormatter and DDContextFilterLogFormatter
Refactor and use logging primitive with other +log: methods
Minor changes
Update CocoaLumberjack.swift and accompanying iOSSwift demo
Refactor DDLoggerNode and internal methods
DDASLLogCapture: Remove redundant "log" from methods
Minor changes
Update demos
Merge pull request #392 from rivera-ernesto/refactor_ddlogmessage

Refactor DDLogMessage, DDLoggerNode and internal methods