ENH: allow to specify code to determine if a given benchmark should be skipped (now only during verification)
Merge branch 'enh/branches-support' of github.com:yarikoptic/vbench into enh/branches-support

* 'enh/branches-support' of github.com:yarikoptic/vbench:
  increase minimum yrange of plots to +- 15% of median of last couple entries
ENH: for Benchmark's __str__ provide just a name, while leave __repr__ a bit more complete
TST: rudimentary test for sorting of benchmarks
BF**2: for older numpy's assure providing results_revs as array of strings + preset degenerate timing if nothing was plotted