v10.6.0

Changes

Remove autoload paths [jcoyne]
Hydra -> Samvera text changes [cjcolvar]
Update github documentation links [cjcolvar]
Add CCMWG templates. [tpendragon]
Readd support for ActiveFedora 11.x [no-reply]
Revert "Use the new Blacklight::AccessControls::SearchBuilder" [no-reply]
Restrict blacklight-access_controls to ~>0.6.0 [cjcolvar]