[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