release v1.0.6 - additional param - releaseLockWhenDone, defaults to …

…true. so when passing false, task will not be released when done. motivation: use the lock to mandate a minimal task execution interval. lock will be released only on preset expiration

support reactivemongo as an alternative implementation. fix it test c…

…lasspath settings

rename project to scalalock to avoid confusions, distlock is already …

…used by many other OS libraries in different languages. prepare release for v1.0.4 under new name

api: add optional taskId for auditing. log lock failure with info lev…

…el. promote version to v1.0.3

refactor modules package names. update readme