[php-doctrine-cache] Updates per Fedora review (BZ #1046121)

- Conditional %{?dist}
- Removed sub-packages
- Skip all tests requiring a server to connect to
[php-doctrine-collections] Updates per Fedora review (BZ #1046122)

- Conditional %{?dist}
- Added conflict w/ PEAR-based DoctrineCommon pkg (version < 2.4)
[php-doctrine-annotations] Updates per Fedora review (BZ #1046125)

- Conditional %{?dist}
- Added conflict w/ PEAR-based DoctrineCommon pkg (version < 2.4)