Improves updateSync: connect to paypal only once.
Merging with actual core and resolving conflicts.
Fixes ordering of products.
Show service cost only if its price is greater than 0.
Fixes paypalurl in frontend and summary order of items in paypal.
Merge pull request #202 from nsendetzky/master

Replaces trailing category/product names by "name" parameter so it can be better positioned by the URL builders
Merge pull request #203 from nsendetzky/master

Fixes new name parameter and places it directly after the action in the demo application
Uses common summary templates for addresses, services and details for basket/order
Merge pull request #204 from nsendetzky/common_summary

Uses common summary templates for addresses, services and details for basket/order
Deletes $_context and _getContext() in class because they already exist in extended abstract class and are not used in this class.
Merge pull request #205 from dahoffmann/master

Deletes \$_context and _getContext() in class because they already exist in extended abstract class and are not used in this class.
Adding translation.
Merge https://github.com/Arcavias/arcavias-core into 2013-05-29_Reducing_UpdateSync_In_PayPal
Fixes output in paypal overview and adds translation in paypalexpress
Merge pull request #199 from doleiynyk/2013-05-29_Reducing_UpdateSync_In_PayPal

Reduces requests in updateSync() for PayPal and improves output shown on PayPal
Separates delivery and payment service fees in single positions in the basket to match the output of the PayPal provider
Merge https://github.com/Arcavias/arcavias-core into common_summary
Updates translation files