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
warn about an existing implementation in CoreBundle
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
fix bad composer package name
Merge pull request #128 from marekkalnik/patch-1

fix bad composer package name
Add docs about the factory and accessing the object properties
Fix the prefix
Updated installation.rst

The docs specify installing 0.2.*@dev but that doesn't exist on Packagist any more.  I updated it to the most recent available version (0.7.*@dev) as of this commit.
Merge pull request #125 from 20th/master

Update SyliusCartBundle instal docs to match dev
Merge pull request #131 from Sylius/resource-refactoring

Add docs about the factory method configuration and getting params from resources
Merge pull request #132 from gplocke/patch-1

Updated installation.rst
Fixing installation documentation.