fixing build issues
Force clear context in unit/perf tests (best practice)
Appended 2.0.2 candidate features
Added support for custom optId Tracy.setOptId(U001)
Added documentation for Tracy.setOptId(String customOptId).
Implemented testGetEvents_safeUponException()
Updating TODO to DONE in README.md
Added feature list
Improved Tracy API protection against NullPointerException when context is not initialised
Merge branch 'develop' of https://github.com/joaovicente/Tracy into develop
Updating README.md with 2.0.2 changes and next minor relase 2.1.0
merge