Merge pull request #106 from telefonicaid/bug/javaxvalidation

fix: javax/validation, log level, pegasus url
improve and optimization find methods in Environment and AbstractEnvironments
remove not used methods
add unit test
upgrade jersey version by possible memory leak problem
use a global regionCache for improve number of queries for properties
change product version and common-properties version
Merge pull request #130 from telefonicaid/hotfix/4393_heap_optimize

Hotfix/4393 heap optimize