Removing mandatory artifact parent for artifact in a sub-hierarchy

Change-Id: I338f80293eb14b3f41a9451ae7914614dfb91c61
UI Show multiple types of backlog items in pane and planning views

Change-Id: I5d9bced5e545c3e97affcfd2b24960d3c57da21e
Merge "UI Show multiple types of backlog items in pane and planning views" into 5169_create_bug_not_connected_to_a_story
Remove backlog item from top content if it is already associated to milestone

Change-Id: I5ce2cf22b465a1a2c861272583cc6a691a693411
Replace custom strategy by a unified approach.

Note: There are still references to "Self" and "Descendant" in the code but
it would be too invasive to remove those now. Let's wait for new presenters
and views to finish the work.
Moreover, for the very same reason, the "New X/Y" part of content pane is broken

Change-Id: I74f05265a1dc11f19ce80c9da08a5126093ebcf3
Moving a carwall configuration to the AgileDashboard.

Adding a forge upgrade script so that the cardwall configuration is always user-defined.

Change-Id: I46df509a0e3adcef1510027b8e19cb0bbced4642
Merge "Moving a carwall configuration to the AgileDashboard." into 5169_create_bug_not_connected_to_a_story
Remove useless echo

Change-Id: I2d26a391590f807660082232ac7fa24b77803e90
Properly catch XML validation errors

Change-Id: I66c53074438f0e2d3ec28e9b5ae15212037a924c
Replace single tracker backlog management by multiple trackers

Change-Id: Idfc7d984995bae4529bf3e0e08e3bc3675bceb47
UI: The 'Add a new item' dropdown now become a simple button when there's only one tracker managed by the submilestone
UI: Table columns are now more adaptable

Change-Id: I2ca9065b970914507941c8eefcbcd339aba7e2f2
On project duplication (template clone) duplicate backlog trackers.

Change-Id: I1f13332eb75d5c7615a8ae8eed21ec2da45c9aac
Fix CumulativeFlow chart duplication

Change-Id: Idbb8b46c55eb7cc1beab1f967443471b28c0f93f
XML Import/Export of Cardwall (freestyle) columns

Change-Id: I22e5b31b06cd7583f47456f6b39aa4636bebad36
Template manage inconsistencies

Change-Id: Icf29d7422df0dfa67e71709ec9a1cc7653e76598
List inconsistent items

Change-Id: If40f7ef54d9c1881bf6b83bee14a1f98097419f3
Be able to choose a background color for a cardwall column header

Change-Id: I632a014433eea9c4217a9a39e4e231309bfb09e7
Merge "Be able to choose a background color for a cardwall column header" into 5169_create_bug_not_connected_to_a_story
Return empty array when there are no planned items

Change-Id: I0f6173213e8eb5734f9b9e2ee84bf5338ef69372
Fix to solve an AgileDashboard blank planning pane issue.

When there are no artifacts to sort, return empty array instead of an array
with an empty string.

See request #5627

Change-Id: Iff01468edf1a0a24017c84401f3226fd7e226a7f