Refactor settings loading to reload settings when ``use_editable`` called.
Refactor settings loading to reload settings when ``use_editable`` called.

--HG--
branch : conf

Cajoline/mezzanine,AlexHill/mezzanine,viaregio/mezzanine,sjdines/mezzanine,webounty/mezzanine,PegasusWang/mezzanine,agepoly/mezzanine,dustinrb/mezzanine,readevalprint/mezzanine,nikolas/mezzanine,molokov/mezzanine,PegasusWang/mezzanine,orlenko/sfpirg,webounty/mezzanine,jjz/mezzanine,fusionbox/mezzanine,tuxinhang1989/mezzanine,Kniyl/mezzanine,guibernardino/mezzanine,stbarnabas/mezzanine,readevalprint/mezzanine,ZeroXn/mezzanine,orlenko/plei,viaregio/mezzanine,viaregio/mezzanine,promil23/mezzanine,scarcry/snm-mezzanine,Cicero-Zhao/mezzanine,joshcartme/mezzanine,cccs-web/mezzanine,SoLoHiC/mezzanine,ryneeverett/mezzanine,tuxinhang1989/mezzanine,Skytorn86/mezzanine,wbtuomela/mezzanine,orlenko/plei,readevalprint/mezzanine,AlexHill/mezzanine,emile2016/mezzanine,sjdines/mezzanine,wrwrwr/mezzanine,dsanders11/mezzanine,agepoly/mezzanine,Cajoline/mezzanine,saintbird/mezzanine,spookylukey/mezzanine,PegasusWang/mezzanine,promil23/mezzanine,jerivas/mezzanine,wyzex/mezzanine,dekomote/mezzanine-modeltranslation-backport,dsanders11/mezzanine,mush42/mezzanine,wbtuomela/mezzanine,damnfine/mezzanine,gradel/mezzanine,stephenmcd/mezzanine,agepoly/mezzanine,sjuxax/mezzanine,orlenko/sfpirg,sjuxax/mezzanine,adrian-the-git/mezzanine,dovydas/mezzanine,geodesign/mezzanine,SoLoHiC/mezzanine,vladir/mezzanine,spookylukey/mezzanine,christianwgd/mezzanine,stephenmcd/mezzanine,guibernardino/mezzanine,biomassives/mezzanine,joshcartme/mezzanine,frankchin/mezzanine,theclanks/mezzanine,industrydive/mezzanine,jjz/mezzanine,geodesign/mezzanine,damnfine/mezzanine,jerivas/mezzanine,saintbird/mezzanine,scarcry/snm-mezzanine,wrwrwr/mezzanine,adrian-the-git/mezzanine,biomassives/mezzanine,christianwgd/mezzanine,theclanks/mezzanine,batpad/mezzanine,gbosh/mezzanine,spookylukey/mezzanine,saintbird/mezzanine,industrydive/mezzanine,nikolas/mezzanine,molokov/mezzanine,cccs-web/mezzanine,frankchin/mezzanine,mush42/mezzanine,douglaskastle/mezzanine,wbtuomela/mezzanine,tuxinhang1989/mezzanine,frankchin/mezzanine,eino-makitalo/mezzanine,ryneeverett/mezzanine,Cicero-Zhao/mezzanine,Kniyl/mezzanine,SoLoHiC/mezzanine,fusionbox/mezzanine,frankier/mezzanine,dsanders11/mezzanine,eino-makitalo/mezzanine,dovydas/mezzanine,nikolas/mezzanine,jjz/mezzanine,webounty/mezzanine,ZeroXn/mezzanine,mush42/mezzanine,orlenko/sfpirg,geodesign/mezzanine,dekomote/mezzanine-modeltranslation-backport,sjdines/mezzanine,promil23/mezzanine,dustinrb/mezzanine,ZeroXn/mezzanine,wyzex/mezzanine,dovydas/mezzanine,gbosh/mezzanine,industrydive/mezzanine,Cajoline/mezzanine,gradel/mezzanine,frankier/mezzanine,vladir/mezzanine,emile2016/mezzanine,sjuxax/mezzanine,emile2016/mezzanine,douglaskastle/mezzanine,douglaskastle/mezzanine,Skytorn86/mezzanine,ryneeverett/mezzanine,eino-makitalo/mezzanine,jerivas/mezzanine,stephenmcd/mezzanine,theclanks/mezzanine,Kniyl/mezzanine,batpad/mezzanine,dustinrb/mezzanine,gradel/mezzanine,gbosh/mezzanine,christianwgd/mezzanine,biomassives/mezzanine,Skytorn86/mezzanine,stbarnabas/mezzanine,orlenko/plei,dekomote/mezzanine-modeltranslation-backport,molokov/mezzanine,wyzex/mezzanine,adrian-the-git/mezzanine,scarcry/snm-mezzanine,vladir/mezzanine,damnfine/mezzanine,joshcartme/mezzanine,frankier/mezzanine