initial support for PHPCR ODM

still need to figure out if the listener stuff is working
remove accidental line
added missing phpcr_odm.xml
added missing invalidation listeners for phpcr
added PHPCR ODM suggest
Merge pull request #24 from lsmith77/initial_phpcr_odm_support

initial support for PHPCR ODM
Add missing build.xml
Update composer.json
Update gitignore
Fix ApcCache flushAll socket_read buffer
Merge pull request #27 from dkorsak/master

Fix #26  APCCache always return FAILED
Improve test
Update Adapter/ApcCache.php

forgot send command to socket!
Merge pull request #28 from cebeh/patch-1

Update Adapter/ApcCache.php
fix sonata:cache:flush command
Update Resources/doc/reference/installation.rst
Merge pull request #30 from erivello/patch-1

fix sonata:cache:flush command
Apply PHP-CS-Fixer
update composer.json
Fixed APC flush