[#ARCH-179 Provide QC Combined Operations]

Implemented Combined operations
merge , split and segment
added identical document sequence updating
renamed package to qc
[#ARCH-179 Provide QC Combined Operations]

Delete copied files to package qc from datamgmt folder
[ARCH-179 Provide QC Combined Operations]

Fix imports
[#ARCH-181 Provide QC History Tables]
[ARCH-183] add optimistic lock to updatable entities
[#ARCH-181 Provide QC History Tables]