[php-composer] Updated to version 1.0.0-alpha7

- Use ustream PHAR as source instead of downloading
- Updated some macro logic
Path substitution instead of patch
[php-composer] Remove unused path patch
[php-composer] Fix system library subtitution PHP syntax error
[php-composer] Manualy set PHAR version
[php-composer] No COMPOSER_DEV_WARNING_TIME
[php-composer] No self update
[php-composer] No build(fixes #8)
[php-composer] Remove COMPOSER_PROVIDES_VERSION env check/set (addresses concern in #6)
[php-composer] Allow compatibility with RPM < 4.9 (no fileattrs; fixes #9)
[php-composer] Fix RPM < 4.9 macro (#9)
[php-composer] Added command line version to auto-provides

Also fixed some additional auto-* issues

Partial #9
[Makefile] Update Makefile for core composer.phar
[php-composer] Multiple updates

- Fix bin shebang
- Add bin-dir and cache-dir configs
- "Simplify" %install by removing the need for %{github_name}-%{github_commit} prefixes
- Create bin and cache dirs
[php-composer] Use dump-autoload command instead of alias dumpautoload
[php-silex-silex] Initial package
[php-composer] Added vendor symlinks on install
[php-sami-sami] Initial package
[php-fabpot-php-cs-fixer] Initial package
[php-composer] Added bin install