SB-199 Upgrade the strongbox-web-core to Jersey 2.x

Made use of Jersey 2.x and its Spring Framework integration.
SB-199 Upgrade the strongbox-web-core to Jersey 2.x

Returned back request/response logging.
#SB-199: Upgrade the strongbox-web-core to Jersey 2.x

Added a simple check if debugging is enabled to only then register the LoggingFilter.
Merge pull request #7 from strongbox/SB-199

#SB-199: Upgrade the strongbox-web-core to Jersey 2.x