Merge pull request #53 from dvayanu/master

upgrade moskito dep
[maven-release-plugin] prepare release moskito-control-1.0.0
[maven-release-plugin] prepare for next development iteration
MSKCONTROL-56 (Better mail support):
- recipient list instead of one recipient
- recipient list per threshold status (red, green etc.)
Merge pull request #54 from Bezuhlyi/master

MSKCONTROL-56 (Better mail support):
added npe handling