Initial TFLogger implementation
Revert "Initial TFLogger implementation"

This reverts commit f03cc8998c40a84c1af5f74238b6fb7dbaed18f6.
Draft TFLogger implementation
Renamed NSLog adapter function
Implemented the remaining log levels in the NSLog visual log format.
TFLogger now displays filename and line number
Visual log level format back supported.
Simplified TFLog makros, fixed NSLog visual format to take into account TF_COMPILE_TIME_LOG_LEVEL
Proper DEBUG log level
Changed bundle id to be trifork not cocoapods.
Conception change - TFLogger will have two endpoints (by default): stderr & asl, stderr is hooked up automatically, asl is not.
Removed unnecessary reference TFLogger which may be simply used as local pod reference. Removed old reference to TFLogging.
Introduced log format to be equal to standard NSLog output.
Added old level information to the output message.
Fixed duplicated log level description in ASL handler.
Few comments more regarding ASL handler.
Simplified log format - app name, prices id and tis are not necessary in Xcode console.
Changed log handlers to be inline blocks instead of functions returning blocks.
Renamed variable.
Integration steps draft description.