WIP authentication of certificates
Merge branch 'master' of ssh://github.com/tubav/fiteagle
Merge branch 'master' of ssh://git@github.com/tubav/fiteagle.git

Conflicts:
	core/src/main/java/org/fiteagle/core/userdatabase/UserManager.java
Basic Certificate verification
Merge branch 'master' of ssh://git@github.com/tubav/fiteagle.git
Implemented client certificate creation and basic verification
Signature for Credentials based on servers pki
Merge branch 'master' of ssh://git@github.com/tubav/fiteagle.git