Enable posix_default and gnu_compact

So that --list doesn't magically become --listen, etc. and you can use --listen=:5000
Convert to Milla
regen with Milla 0.9.4 with x_contributors support
Hopefully deduplciate authors with .mailmap hack for git log
Update COPYRIGHT
Add x_authority
1.0019
Merge pull request #390 from plack/milla

Convert to Milla
1.0020
Add Travis
Test with 5.10 and .16
Remove my declaration warning
Merge pull request #391 from keedi/feature/remove-test-warning-auth-basic

Remove my declaration warning
1.0021
Merge branch 'master' of github.com:plack/Plack
Revert "Enable posix_default and gnu_compact". Fix #393

This reverts commit 237cfbb800aa8044fe511c9cee9210cb05759aec.
Disable auto_abbrev, while keeping the permute so that arbitrary argument works fine for plackup compat
Regression test for 19bc03dbd838036ff08207a37881ccca325b06fd
1.0022