Changes from 3.4.0alpha3 to 3.4.0alpha4

*Kernel:
- Fixed extension of view cache files. They were named .php which is obsolete and broke the clearing of view cache.
- New setting DebugSettings/ShellDebugOutput which controls whether scripts should show
  debug or not. It is turned off by default.
- Made sure the design override cache is unique per siteaccess not just designs.

*Design:
- Fixed wrong forum color in theme 8

*DataType:

*Shop:

*Libraries:

*Unit tests:

*Bugfixes:
- Fixed typo bugs in kernel/classes/eznodeviewfunctions.php.
  http://ez.no/community/bug_reports/eznodeviewfunctions_typos
- Fixed forgotten return in kernel/content/view.php.
  http://ez.no/community/bug_reports/kernel_content_view_php_undefined_var_operationresult
- Fixed removing node assignment when deleting nodes from stabel/3.3 rev 6269.
  http://ez.no/community/bug_reports/critical_node_assignments_aren_t_deleted_properly
- Added the possibility of removing items in selection data type.
  (Merged from stable/3.3, rev. 6259)
  http://ez.no/community/bug_reports/selection_data_type_items_can_not_be_removed
- Added file size checking while uploading files of image, media and binaryfile type.
  (Merged from stable/3.3, rev. 6259)
  http://ez.no/community/bug_reports/upload_file_size_checking_is_not_implemented
- Fixed bug in ezlocale when converting negative numbers using , (comma) as the decimal
  separator to the internal form.
  (Merged from stable/3.3, rev. 6259)
  http://ez.no/community/bug_reports/error_with_negative_numbers_in_float_datatype
- Fixed removing node assignment when deleting nodes.
  http://ez.no/community/bug_reports/critical_node_assignments_aren_t_deleted_properly
- Fixed bug in ezuser datatype running query of the type '...where variable in ( )...'
  http://ez.no/community/bug_reports/sql_error_user_group
- Fixed undefined function in ezpackage.php
  http://ez.no/community/bug_reports/package_change_repository
- Fixed bug in default account handler for shop
  http://ez.no/community/bug_reports/ezorder_calls_accountinformation_which_ezdefaultaccounthandler_doesnt_implement
- Fixed bug with user redirection in basket with default account handler
  http://ez.no/community/bug_reports/redirectafteruserregister_set_by_ezdefaultshopaccounthandler_but_never_used ( Merged from stable/3.3 r6285 )
- Fixed bug, missing check for invalid class identifiers
  http://ez.no/community/bug_reports/problem_with_fetch_tree_in_php_v_4_3_4_or_msql_depth_query_resolved ( Merged from stable/3.3 r6292 )
- Fixed bug with path prefix
  http://ez.no/community/bug_reports/url_alias_pathprefix
- Fixed bug
  http://ez.no/community/bug_reports/change_priority_of_nodes_don_t_delete_whole_cache
- Fixed calling store when fetching remote_id.
  http://ez.no/community/bug_reports/remoteid
- Fixed duplicate entry in ezcontentobject_tree table.
  http://ez.no/community/bug_reports/strange_temp_node_created
- Fixed bug no feedback when using the wishlist without beeing logged in ( Merged from stable/3.3 r6298 )
  http://ez.no/community/bug_reports/wishlist
- Fixed bug in generated datatype code
  http://ez.no/community/bug_reports/setup_rad_datatype_assistent_ezdatatype_register ( Merged from stable/3.3 r6301 )
- Fixed bug missing escape of value for attribute filter
  http://ez.no/community/bug_reports/attributefilter_and_slashes ( Merged from stable/3.3 r6302 )
- Fixed storing media files to correct directory.
  http://ez.no/community/bug_reports/ezmedia_dataype_stored_in_wrong_dir
- Fixed bug
  http://ez.no/community/bug_reports/copy_requires_edit_permission



*Update

*Admin:

*Setup:
- Fixed setting admin email properly.