Introduced in b3d2fb91, PCCf_2_0 does not get initialized in ::settings
in PairAIREBOMorse. Future proof by calling super-class.

changes for next patch, 2d disc options for spheres, fix external upgrade, bug fixes for fix ave/chunk for density calcs, Aidan doc page citation deconvolution

Various updates and corrections for upcoming stable release

fix for temper_grem exchange probability

Remove unneeded restart_peratom flags in USER-DPD package

bugfix for irregular::create_atom and create_data

improve memory usage reporting in info and output class

Add utility to detect duplicate anchors in docs

Library interface fixes, Python example fixes and better Python 3 compatibility

Added fix filter/corotate.

This reverts commit 8e75616c.