added copyright header and reformatting of javadoc
made smtp port and mail server host configurable

added copyright header and reformatting of javadoc
fixed test
replaced the german text with english
translated the default e-mail content to english
removed obsolete TODO
renamed dependency of MailSender
added spring-context-support dependency due to mail api
added spring bean with configuration for spring mail sender
changed MailSenderBean implementation to use spring mail api instead of javax.mail
moved properties to spring configuration
also changed test accordingly
Merge pull request #99 from jtodea/mailServerConfig

Mail server config
changed url in readme for registration module
[enhancement] renamed InternalIdSkeleton to ResourceEntity
[enhancement] removed unnecessary update helper classes
[task] added updater controls
[enhancement] removed unnecessary tests update helper classes
[enhancement] removed provisioning type hierarchy and interfaces
[cleanup] organized imports
[enhancement] started to remove dao type hierarchy
[task] implemented create() and getById()