Add OptionImpl convenience constructor

For cases where a hard-coded value of OptionImpl is used (e.g., unit tests), having to create the option and then set it's value is annoying. Add a constructor for creating an OptionImp with an initial value to make this simpler.
make RuntimeExceptionHandler.INSTANCE frinal
add trace method to Logger API
[maven-release-plugin] prepare release jcommon-parent-0.1.11
[maven-release-plugin] prepare for next development iteration
add ability to get Map<String, String> of a ConfigAccessor
move Function to collectionsbase; tweaks to Filter code; test fix for TestMapDatum w/Java 8
update to facebook-oss-pom 10
Added a size() method to CounterMap
add fb profile to skip license check and deploy sources
fix bug with MixedTypeMap.putAll; add MixedTypeMap.size()
add isTraceEnabled to Logger
CompositeLogger
DynamicLogger and remove license check from poms
add EmptyJSONProvider
add MixedTyepMap.clear()
add SetMap.clear()
[maven-release-plugin] prepare release jcommon-parent-0.1.12
[maven-release-plugin] prepare for next development iteration
add Courer
add RobustProxy