Update configuring_taxation.rst

Hello
Maybe this is as typo at 18th line:
.tax_manager instead of .tax_category?
little service fix
Remove Corebundle price attribute from product_builder.rst
Clarify patch process
deprecate assortmentsBundle usage
remove assortmentsBundle from the bundles list

see #116
warn about an existing implementation in CoreBundle
The copy right was not up to date...
Merge pull request #121 from aRn0D/copyright

The copy right was not up to date...
Merge pull request #116 from docteurklein/patch-2

deprecate assortmentsBundle usage
Merge pull request #117 from docteurklein/patch-3

remove assortmentsBundle from the bundles list
Merge pull request #115 from docteurklein/patch-1

Clarify patch process
Fixed reference to depracated SyliusSalesBundle
Merge pull request #122 from elliot/master

Fixed reference to depracated SyliusSalesBundle
fix sylius_settings_get
Update custom_calculators.rst

Update service declaration
Merge pull request #124 from shadypierre/patch-1

Update custom_calculators.rst
Update SyliusCartBundle instal docs to match dev
Update taxonomy_and_taxon.rst

Updated getTaxonsAsList to use Taxon Repository instead of the Taxonomy model
Merge pull request #127 from pfwd/patch-1

Update taxonomy_and_taxon.rst