jit - remove unused constant

doc - update multi source include description

Co-authored-by: Jed Brown <jed@jedbrown.org>

tests - drop unused include in t406

Co-authored-by: Jed Brown <jed@jedbrown.org>

doc - update release notes

Merge pull request #845 from CEED/jeremy/binder-url

readme - fix binder url

readme - fix binder url

Merge pull request #844 from CEED/jeremy/opt-tensor

Opt - specalize tensor product for C=1 case

ref - add missing static

opt - specalize tensor product for C=1 case

tidy - suppress spurious warning

doc - describe JiT tools added

qf - drop unneeded guards on math.h

qf - add test for multi source support

gpu - refactor common jit code into common functions

qf - add function to retreive kernel name, stored path now excludes kernel name

make - fix iwyu target

Merge pull request #831 from CEED/jeremy/minor-typo

doc - minor typo

make - add iwyu makefile target

doc - other minor typo, a legacy RST hack I think

doc - minor typo

Merge pull request #837 from CEED/jed/cff-1.2

CITATION: cff-1.2: use JOSS paper as preferred-citation

Preferred CITATION isn't an array. (#836)

CITATION.cff: update to 1.2 and used preferred-citation

Merge pull request #833 from CEED/jeremy/minor-verbose

makefile - respond to either V or VERBOSE

makefile - respond to either V or VERBOSE