Merge pull request #921 from ddurnev/master

[RJA-xxx] version 2.2.0-SNAPSHOT bump
[RJA-2035][RJA-2085][fix] - Fixes
Merge pull request #923 from rsvato/master

[RJA-2035][RJA-2085][fix] - Fixes
Use scala 2.10 reflection.
Note: Runtime reflection mixed with threads or actors might be dangerous.
See https://issues.scala-lang.org/browse/SI-6240.
Scala 2.10 reflection: added synchronization