handle APC before loading composer.phar
Check for ini_set is not disabled.
Improve the apc opcode cache warning in migration assistent.
Add icon for metapackages.
Make dependency graph expandable/collapsible.
Merge pull request #1 from tristanlins/fix/apc

Improve fix/apc
Merge pull request #87 from backbone87/fix/apc

handle APC before loading composer.phar
respect preferred-install config property, when installing or updating
packages