Switch to clang-format (#1051)

* style - switch to clang-format

* ci - use newer libxsmm

* action - update format action

* format - consistent use of {} for multi-line if/for

* make - re

Switch to clang-format (#1051)

* style - switch to clang-format

* ci - use newer libxsmm

* action - update format action

* format - consistent use of {} for multi-line if/for

* make - remove stray newline

* make - simpler 'make format' target

* ci - use newer libxsmm

* doc - minor release note claification

* minor - minor fix

* minor - minor fix

* minor - minor fix

* minor - minor fix

* make format

* format - less aggressive alignment rules

* tidy - check for argument name mismatches

* fix newline

* format - mirror Ratel update to .clang-format

* fix merge error

* fix merge conflict

* fix merge error

* drop style in .phony list

* Update .clang-format

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

* apply updated format

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

show more ...

Merge pull request #858 from CEED/jeremy/dump-copy-stuff

Strip redundant/outdated license info duplication

minor - update copyright headers

Merge pull request #898 from CEED/jeremy/qf-ctx-read

Read-only access for QFContext

qf - extend ctx read/write feature to qf

Merge pull request #864 from CEED/jeremy/gpu-templates

GPU - pull quoted kernels into separate files

gpu - improved human-readability of debugging output

gpu - pull quoted kernels into separate files

Merge pull request #863 from CEED/jeremy/gpu-jit-code

GPU - separate common code into separate folder

style - consistent nameing and style for gpu backends