Php Composer tool, Php and GitList fixes

M  .gitignore:
  Ignore 'php/composer'
M  .cpl/_deps:
  Add 'Composer' (php) module
M  .cpl/params/php:
  Calls the right name in post
M  gitlist/install_or_update_gitlist.sh:
  Fix syntax errors
  Add 'Composer install/update' step
A  php/composer/composer:
  Composer command
A  php/composer/install_or_update:
  Add 'Composer' to '${H}/bin'
R  php/post_install_php -> php/post_install
  RENAMED post_install step for php