* interface for progress class
* adjust branch overview
* adjust git pack
* adjust diff page
* adjust objects class
* adjust activation class
* adjust repo online class
* adjust serialize class
few methods moved
* adjust tadir class
Method determine_max_threads of class zcl_abapgit_serialize did not return a value, when function Z_ABAPGIT_SERIALIZE_PARALLEL is not available. This commit will fix this.
* parallel serialization #1714
* use latest abaplint
* Update abaplint.json
* add function group
* fallback to sequential
* fix error when running in background mode