Issue #2949017 by alexpott, voleger, sourabhjain, oakulm, C-Logemann, khiminrm, Steven McCoy, jose.carvalheira, maxplus, rwohleb, Nigel Cunningham, dww, Matroskeen, Hardik_Patel_12, mrinalini9, ndobromirov, seperezf, froboy, anmolgoyal74, netsliver, nbaosullivan, ranjith_kumar_k_u, mpp, hai.nguyen.phc, larowlan, Berdir: There is no way to delete file entities of other users

Issue #576296 by no_angel, joachim, dagmar, jhodgdon, coderintherye, yoroy, xjm: Remove redundant description for some permissions

Issue #2328411 by dawehner, geerlingguy, herom: Convert all permissions to yml files and permission callbacks.