* Control submit type from Prolog:
Support controlling the submit type for changes from Prolog
Remove unnecessary Prolog-to-Java conversion from submit filters
Use locate_helper to replace locate_* predicates
ChangeControl: Extract Prolog submit rule evaluation to its own method
Display submit type in the change info block
Support changes with different submit types in MergeOp
Make submit strategies re-executeable
Refactor MergeOp: reduce number of member variables, make names consistent
Refactor MergeOp: implement each submit strategy in an own class
Refactor MergeOp: extract utility methods into MergeUtil class
Change-Id: I71d4f5757ab96b5eb8456972398a7bb9fa2a7d4c
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>