[PLINK-439] - Built-in authorization.
Merge pull request #317 from pedroigor/PLINK-439

[PLINK-439] - Built-in authorization.
[PLINK-479] - Remove cache api as it is not in use.
Merge pull request #318 from pedroigor/master

[PLINK-479] - Remove cache api as it is not in use.
[PLINK-478] - Extensions refactoring.
Merge pull request #320 from pedroigor/master

[PLINK-478] - Extensions refactoring.
[PLINK-477] - Move PicketLink BaseLog to org.picketlink.log package.
Merge pull request #321 from pedroigor/master

[PLINK-477] - Move PicketLink BaseLog to org.picketlink.log package.
[PLINK-476] - Move PicketLink API events to org.picketlink.event package.
Merge pull request #322 from pedroigor/master

[PLINK-476] - Move PicketLink API events to org.picketlink.event package.
Removing unnecessary class.
[PLINK-456] - DefaultPartitionManager->getStoreForCredentialOperation handle null identityStore.
Merge pull request #323 from pedroigor/master

[PLINK-456] - DefaultPartitionManager->getStoreForCredentialOperation handle null identityStore.
Update Apache DeltaSpike to v0.7.
[PLINK-431] - Create PicketLink Uber JAR.
Removing dependency to commons.
Updating DeltaSpike to v0.7. Adding uber jar to BOM.
Removing unnecessary dependency. Adding header to extension file.
Merging META-INF/services from jars.
Merge pull request #324 from pedroigor/master

[PLINK-431] - Create PicketLink Uber JAR.