[php-dflydev-markdown] Initial package
[php-sebastian-diff] Initial package
Check symlinks exist before creating

I found that the symlinks existed but the target didn't (going to look into that), so the code failed trying to create symlinks that already existed.
Merge pull request #12 from tomyan/patch-1

[Makefile] Check core symlinks exist before creating
[Makefile] Compensate for RHEL spectool naming issue (fixes #13) and additional cleaning
[*] Updated descriptions with issues link
[php-composer] Virtually provide additional composer.json provides

See http://getcomposer.org/doc/04-schema.md#provide
[php-composer] Some cleanup stuff
[Makefile] Fix core build issue
[php-composer] Fix macros
[php-composer] Moved installer to class
[php-composer] Re-order functions and mark as private
[php-composer] Installer: Vendor directory updates
[php-composer] Installer: Bin directory updates
[php-composer] Installer: Added "--no-bin" option
[php-composer] Installer: Initialized class bin vars
[php-composer] Auto-requires: php-common => php(language)
[php-composer] Installer: Added composer directory stuff
[php-composer] Installer: LOTS of changes and fixes
[php-composer] Installer: Added "--no-package-dir" option

Addresses #11