Initial commit
Add composer.json.
Initial bundle.
Add 'src/Silvestra/Bundle/FormBundle/' from commit 'da7941fb80f81b4e9a956b102b71b0f21fec3671'

git-subtree-dir: src/Silvestra/Bundle/FormBundle
git-subtree-mainline: 36dd4c60bc739d944ed9875301874f58ac0f3c57
git-subtree-split: da7941fb80f81b4e9a956b102b71b0f21fec3671