rejecting worker with workerId above or equal to number-of-workers. Earlier reject of worker with alias already taken.
rejecting worker with workerId above or equal to number-of-workers. Earlier reject of worker with alias already taken.

git-svn-id: 9714148d14941aebeae8d7f7841217f5ffc02bc5@992 4143565c-f3ec-42ea-b729-f8ce0cf5cbc3

telefonicaid/fiware-cosmos-platform,telefonicaid/fiware-cosmos-platform,telefonicaid/fiware-cosmos-platform,telefonicaid/fiware-cosmos-platform,telefonicaid/fiware-cosmos-platform