* Added "removeSink" method and related functionality to LogWorker API
* Added a new API for plugging in custom Timestamp generator.
* Revert "Added "removeSink" method and related functionality to LogWorker API"
This reverts commit c9cee5d9a0.
* Dropping shared_ptr<Timestamp> in log messages and using regular vars
* Moving to standard timespec struct from custom Timestamp
* Wiring timespec timestamps with formating routine
* Falling back to clock_gettime
* Reverting g3 API changes
* Optimizing format string generation
* Removed _microseconds from LogMessage
* Implemented sec fractional format key
* Optimization of format string generation
* Adjusting comments
* Refining localtime_formatted by introducing two helper functions
* refactored and simplified code
* fixed up some commented away unit tests
* refactoring message specifics tests to it's own test
* Use gcc 4.9
* C++14 for Linux
* Update .travis.yml
* Update buildAndRunTests.sh
* lower case in `-std=c++14`
* -lrt flag for gcc
* Added support for high precision clock on Linux/gcc (already there now for OSX). Windows is still missing
* intermediate comments
* Clarified for some code readers the mysterious use of assert in an expression that is always true
* refactored + renamed functions and constants. Added unit test for retrieving fractional type
* committing changes previously fixed - finished unit testing for g3::internal::time::GetFractional(..)
* added unit test for fractional to string
* added missing unit tests for localtime_formatted
* fixed? nano / microsec functionality to timer
* test
