Better error messages for permission problems on plugin download
SW-9417 - modified if statement, check on mail content not on mail object
SW-9390 - fixed premission check on the plugin diretories
Fix newcomer product identification

The sGetPromotionById method accepts both order numbers and article ids. When the article id is passed as a string, the sGetPromotionById interprets the argument as an order number - that is, it tries to find an article with an order number that equals the passed value. Since we are passing an article id to the method and not an order number, we can only ensure correct behaviour by passing the article id as an integer.
SW-9657 - Fix holiday table updater
Merge pull request #1622 in SW/shopware from bugfix/master/sw-9657-fix-holiday-table-updater to master

* commit 'a777e10061ec959d2d7a0d2794c0a1fdd8a542c9':
  SW-9657 - Fix holiday table updater
SW-9646 - Add error handling for order mail failures
SW-9373 - deleted broken links and useless css
Merge pull request #1619 in SW/shopware from feature/master/sw-9646-order-mail-error-handling to master

* commit 'bcdd8b8492441f7cea604c7a89b39f8f545aa995':
  SW-9646 - Add error handling for order mail failures
SW-9414 - showException config value only affects FE
SW-9636 - Broken order in BE when payment method is removed
Merge pull request #1627 in SW/shopware from bugfix/master/sw-9414-split-show-exception-config to master

* commit 'ad03bf306871c432e6432d998bb2b5b76f286851':
  SW-9414 - showException config value only affects FE
SW-9658 - Delete SEO URLs for suppliers
SW-9629 - updated the store api configuration
SW-9648 - Categories redirect and 404
SW-9467 - Remove redirect on always use ssl
Merge pull request #1634 in SW/shopware from bugfix/master/sw-9658-delete-old-seo-links-for-suppliers to master

* commit '443257d4ff5b9b8adc40dad5575efe8c9bcfe731':
  SW-9658 - Delete SEO URLs for suppliers
Merge pull request #1620 in SW/shopware from bugfix/master/sw-9629-change-store-api-url to master

* commit 'abedf3901aa17636e3f7f4601a4900798ce92a5e':
  SW-9629 - updated the store api configuration
Merge pull request #1631 in SW/shopware from bugfix/master/sw-9467-wrong-redirect-on-always-use-ssl to master

* commit '4fb5ab21aa2927594468045b7689f87c27829bd8':
  SW-9467 - Remove redirect on always use ssl
Merge pull request #1626 in SW/shopware from bugfix/master/sw-9373-missing-resources-in-the-default-template to master

* commit 'a5620171b5f6214a53fd0bca78fc15ca88810ffc':
  SW-9373 - deleted broken links and useless css