check php version, the encryption app needs php >= 5.3.3
add correct php version
fix error string
cast result to bool
typo
no ?> at the end of a file
missing .
improved error message
Merge branch 'encryption_check_php_version' of github.com:owncloud/core into encryption_check_php_version
Merge branch 'master' into encryption_check_php_version

Conflicts:
	apps/files_encryption/files/error.php
more verbose error message
Merge pull request #3899 from owncloud/encryption_check_php_version

check php version, the encryption app needs php >= 5.3.3