laplace 0.1a2

What's Changed

• Remove abc by @metodj in #41
• Calibration example by @wiseodd in #54
• Enable cross validation support by @wiseodd in #38
• Minor improvements by @runame in #60
• Update symeig method based on new torch interface by @aleximmer in #61
• Online marglik as a method by @aleximmer in #64
• Support for refitting LA with option to override or update by @aleximmer in #62
• Low rank LA by @aleximmer in #65
• Fix device of eye in symeig by @aleximmer in #66
• Keep initialization of H for all-weights and last-layer separate by @runame in #72
• Fix device bug in eig_lowrank by @runame in #74
• Subnetwork Laplace by @edaxberger in #58