Merge pull request #328 from anilsaldhana/master

PLINK-487: clean up
[PLINK-489] - Support User Stereotypes in Credential API.
Merge pull request #329 from pedroigor/master

[PLINK-489] - Support User Stereotypes in Credential API.
Merge pull request #330 from anilsaldhana/master

PLINK-492: saml client api class
Merge pull request #331 from anilsaldhana/master

PLINK-492: saml client api class
[PLINK-493] - PicketLinkExtension is not working in WildFly.
Merge pull request #332 from pedroigor/master

[PLINK-493] - PicketLinkExtension is not working in WildFly.
[PLINK-493] - AuthenticationFilter not working.
Merge pull request #333 from pedroigor/master

[PLINK-493] - AuthenticationFilter not working.
[PLINK-494] - Rename @RequiresAccount to @LoggedIn.
Merge pull request #334 from pedroigor/master

[PLINK-494] - Rename @RequiresAccount to @LoggedIn.
[PLINK-495] - Authentication Schemes should avoid dialog box when performing Ajax Requests.
Merge pull request #335 from pedroigor/master

[PLINK-495] - Authentication Schemes should avoid dialog box when performing Ajax Requests.