Made fsproj look like parser.fsproj: cuts warnings in Debug build.
Made fsproj look like parser.fsproj: cuts warnings in Debug build.

FStarLang/FStar,A-Manning/FStar,FStarLang/FStar,hoheinzollern/FStar,hoheinzollern/FStar,FStarLang/FStar,A-Manning/FStar,hoheinzollern/FStar,A-Manning/FStar,hoheinzollern/FStar