v0.26.0

IncrementalInference v0.26.0

Diff since v0.25.7

Closed issues:

• default factors to .Z for automation (and docs) (#1441)
• tag v0.25.7 (#1449)

Merged pull requests:

• Default getSample methods for group manifolds (#1439) (@Affie)
• use common getSample method (#1450) (@dehann)
• thread yield workaround via CalcFactor (#1451) (@dehann)
• upstream AbstractManifoldMinimize to DFG (#1452) (@dehann)
• rm old deprecations (#1453) (@dehann)
• API change generateGraph_ABC, depr previous (#1454) (@dehann)
• fast-forward integration testing branch (#1455) (@dehann)
• fix depr typo and update NEWS (#1456) (@dehann)