fix routing configuration for SyliusTaxationBundle

we need to use ``@SyliusTaxationBundle`` and not ``@SyliusTaxation`` to add ``SyliusTaxationBundle`` routing
Merge pull request #105 from BenoitLeveque/patch-1

fix routing configuration for SyliusTaxationBundle
Update installation.rst
Merge pull request #106 from jjanvier/fix/flow

Fixing flow bundle installation