Fix trailing spaces and quoting style
v2: Centralize description of -v2 available hints
v2: Add name of the hint when printing a warning
v2: Print used hints when compiled with DEBUG
v2: Add -v2=-hint option to only exclude one type of hint
v2: Update man with the new -v2 related options
Merge pull request #4215 from leandro-lucarella-sociomantic/v2-opts

[D1] Add -v2=-hint option to disable a particular hint