[Merge] lp:~mterry/update-manager/group-by-applications into lp:update-manager

[Michael Terry]

The proposal to merge lp:~mterry/update-manager/group-by-applications into lp:update-manager has been updated.

Description changed to:

This is a continuation of https://code.launchpad.net/~dylanmccall/update-manager/group-by-applications/+merge/112678

This implements the 'Available Updates' description pane in the Software Updates spec:
https://wiki.ubuntu.com/SoftwareUpdates#Expanded_presentation_of_updates

Notably, it replaces the current list of packages with groups of packages and highlights the description of the package rather than the debian package name.

It also no longer categorizes the updates by source.  The only categorization it does is "security or not".

It's a big diff, I know.  Sorry.  Mostly visual changes.  And I added tests for the non-visual bits.

One big unfinished part of the spec is that when two packages have the same description (e.g. "Transitional package") we don't append the debian package name (e.g. "Transitional package (unity-2d)").  This is technically difficult.  Talking to mpt, he indicated that just showing the label without the parenthetical would be an acceptable workaround until we can implement that bit.  Ideally packages wouldn't have such duplicate descriptions.

Test with: ./update-manager --data-dir=./data

For more details, see:
https://code.launchpad.net/~mterry/update-manager/group-by-applications/+merge/144046
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https://code.launchpad.net/~mterry/update-manager/group-by-applications/+merge/144046
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~mterry/update-manager/group-by-applications into lp:update-manager.