[packages/composer] (11 commits) ...Merge branch '1.0.0-alpha11-dev'

[glen]

Summary of changes:

  1fe17f8... update to 1.0.0-alpha11 (*)
  9a6d008... use bin/compile timestamp as autoload suffix (*)
  4e94bd9... use bin/composer as we don't patch it (*)
  b6d3811... require semver and spdx-licenses package for build (*)
  dbc6fb4... skip the composer install hackery (*)
  9e14552... fix autoload for spdx and semver (*)
  b4e74b6... BR php-seld-phar-utils, update version min versions (*)
  65715e5... simplify install, install to php data dir (*)
  ef9d1aa... cleanup bootstrap (*)
  78d564c... cleanup unneeded patches (*)
  a0bd88c... Merge branch '1.0.0-alpha11-dev'

(*) This commit already existed in another branch; no separate mail sent