back to more strict dependencies, even for canceled groups (reverting parts of 02936e77a07c);
cancel passive tasks more actively via Exn.Interrupt, by treating them like ragular jobs here;
attempts to re-assign canceled futures/promises raise Exn.Interrupt;
tuned;
#main object logics
src/Pure
src/FOL
src/HOL
src/ZF
src/CCL
src/CTT
src/Cube
src/FOLP
src/HOLCF
src/LCF
src/Sequents
#misc components
src/Tools/Code
src/Tools/WWW_Find
src/HOL/Tools/ATP_Manager
src/HOL/Mirabelle
src/HOL/Library/Sum_Of_Squares
src/HOL/Tools/SMT