When defining cleaning regex, the replacement character is always the
percent sign as it's hard coded in various methods.
With this commit, a replacement string can be defined by cleaning regex
and fallback to the percent sign by default.
With this commit, when build errors are re-cleaned, they are also merged
if the fingerprints when fingerprints are matching.
Also, this fixes the ir_logging compute that associate a build error
so that the active build error is preferred over an inactive one.
- clean thread username
- allow to write on params for debug (was mainly usefull to forbid it
at the beginning)
- imrpove some guidelines about method and actions naming/ ordering
- move some code for a cleaner organisation.
- remove some useless request.env.user (not useful anymore)
