[IMP] Remove unused files, inexistant references, fix the warnings on build

accounting/others/analytic/purchases_expenses.rst

@@ -33,9 +33,6 @@ should install the Sales management app as well.
 .. image:: media/purchase04.png
    :align: center
 
-You can refer to the following docs about reinvoicing costs through
-analytical accounts: :doc:`../../../purchase/purchases/rfq/subcontracting`
-
 Enable Analytical accounting
 ----------------------------
 
@@ -126,9 +123,6 @@ can re invoice this cost by linking the purchase order line to the
 correct analytical account. We simply need to create the correct vendors
 product.
 
-For more information about subcontracting please refer to the following
-document: :doc:`../../../purchase/purchases/rfq/subcontracting`
-
 .. note::
 
 	You can also track cost with timesheets, see: :doc:`timesheets`

accounting/others/taxes.rst

@@ -8,7 +8,7 @@ Taxes
    taxes/create
    taxes/default_taxes
    taxes/application
-   taxes/tax_cloud
+   taxes/taxcloud
    taxes/tax_included
    taxes/retention
    taxes/B2B_B2C

accounting/others/taxes/tax_included.rst

@@ -33,7 +33,7 @@ You can rely on following documentation if you need both tax-included (B2C) and
 tax-excluded prices (B2B): :doc:`B2B_B2C`.
 
 Show tax-included prices in eCommerce catalog
-============================================
+=============================================
 
 By default prices displayed in your eCommerce catalog are tax-excluded. To display
 it in tax-included, check *Show line subtotals with taxes included (B2C)* in

accounting/others/taxes/taxcloud.rst

@@ -1,6 +1,6 @@
-=======================================
+=======================================================
 How to get right tax rates in the US thanks to TaxCloud
-=======================================
+=======================================================
 
 The **TaxCloud** integration allows you to calculate the sales tax for every
 address in the United States and keeps track of which product types are
@@ -72,7 +72,7 @@ your system and return it in the order item line (e.g. 7.0%).
   :align: center
 
 How to create specific tax mappings using TaxCloud
-============================
+==================================================
 
 You can create several fiscal positions using TaxCloud.
 Check *Use TaxCloud API* to do so. Such fiscal postions can be