Ignore N817 in flake8 testing

See merge request inducer/loopy!377

Add prototype Github CI workflow

Front-end renaming of schedule to linearization

See merge request inducer/loopy!375

changing get_one_linearized_kernel back to get_one_scheduled_kernel in most places to minimize merge conflicts with other branches (renaming will occur later)

Make HardwareConcurrentTag base class of VectorizeTag

See merge request !370

Merge branch 'remove-admissible-iname-duplication' into 'make-hardwareconcurrenttag-base-class-of-vectorizetag'

Remove admissible iname duplication

See merge request jdsteve2/loopy!3

DIsable test_fortran.py:test_matmul on Pocl due to crashes

in set_up_hw_parallel_loops(), instead of set subtraction (HardwareConcurrent-Vectorize) use 'if HardwareConcurrent and not Vectorize'

codegen changes: in get_usable_inames_for_conditional(), exclude vec inames in conditional check for ConcurrentTag inames; in get_admissible_conditional_inames_for(), exclude vec inames in conditional check for HardwareConcurrentTag inames

Merge branch 'make-hardwareconcurrenttag-base-class-of-vectorizetag' of https://gitlab.tiker.net/jdsteve2/loopy into make-hardwareconcurrenttag-base-class-of-vectorizetag

Fix PyOpenCL target device comparison semantics

See merge request !371