API: Optimisation nginx + less debug info
API: Optimisation nginx + less debug info

https://github.com/marienfressinaud/FreshRSS/issues/443
Faster access to headers in nginx
Show detailed debug info only in the case of errors

samuelstein/FreshRSS,Alkarex/FreshRSS,Dolomich/FreshRSS,aledeg/FreshRSS,plopoyop/FreshRSS,superboum/FreshRSS,asmundg/FreshRSS,marienfressinaud/FreshRSS,FreshRSS/FreshRSS,FreshRSS/FreshRSS,samuelstein/FreshRSS,FreshRSS/FreshRSS,Alkarex/FreshRSS,FreshRSS/FreshRSS,aledeg/FreshRSS,superboum/FreshRSS,samuelstein/FreshRSS,plopoyop/FreshRSS,asmundg/FreshRSS,superboum/FreshRSS,marienfressinaud/FreshRSS,asmundg/FreshRSS,Alkarex/FreshRSS,Dolomich/FreshRSS,romibi/FreshRSS,romibi/FreshRSS,aledeg/FreshRSS,marienfressinaud/FreshRSS,romibi/FreshRSS,Dolomich/FreshRSS,marienfressinaud/FreshRSS,romibi/FreshRSS,Alkarex/FreshRSS,aledeg/FreshRSS