This patch merges the work done for Kickstarter 2016 goal. At least most
of it. Please check the details of what was planned in the requirements
list here:
https://phabricator.kde.org/w/krita/vector_tool_requirements/
And here is an additional list of the work that is going to be postponed:
https://phabricator.kde.org/T1005#78222
Ref T1005