ProjectConversionMigration now checks to see if the token collection exists and drops it
ProjectConversionMigration now checks to see if the token collection exists and drops it

adamzolotarev/Exceptionless,exceptionless/Exceptionless,adamzolotarev/Exceptionless,exceptionless/Exceptionless,exceptionless/Exceptionless,adamzolotarev/Exceptionless,exceptionless/Exceptionless