[PLINK-497] - Configure Signature Algorithm for IdP and SP.
Merge pull request #337 from pedroigor/master

[PLINK-497] - Configure Signature Algorithm for IdP and SP.
Merge pull request #338 from anilsaldhana/master

PLINK-499: assertion expiry has to be flagged correctly
[PLINK-498] - Upgrade Apache DeltaSpike to 1.0.0.
Merge pull request #339 from pedroigor/master

[PLINK-498] - Upgrade Apache DeltaSpike to 1.0.0.
Small improvements to the JPA store.
Enabling attributes on relationship partitions.
[PLINK-502] - Improve validation of JPA mappings.
Merge pull request #340 from pedroigor/master

[PLINK-502] - Improve validation of JPA mappings.
Next version is 2.7.0-SNAPSHOT.