[OPENENGSB-3822] Delete XLink UI to prepare for new one
[OPENENGSB-3822] Delete obsolete classes for XLink from API
[OPENENGSB-3786] Changed openXLinks to use an Array
[OPENENGSB-3827] Improve JDBC EDBI IndexOperation hierarchy
[OPENENGSB-3829] Introduce IndexEngine method to retrieve all index records
[OPENENGSB-3828] Introduce IndexEngine removeIndex method and implement required drop methods
[OPENENGSB-3832] added EDBI feature to repo
[OPENENGSB-3786] Refactored XLink to use contextId, deprecated releative expiresIn option and implemented generateXLink
Merge pull request #915 from mipe/master

[OPENENGSB-3832] added EDBI feature to repo
Merge pull request #914 from Mercynary/OPENENGSB-3786

[OPENENGSB-3786]
Merge pull request #913 from thrau/master

EDBI operation improvements