Replace hardcoded make with variable

This fixes a warning when running make -j n
Merge pull request #1077 from rubenk/hardcoded-make

Replace hardcoded make with variable
force ragel alphtype to unsigned char, fixing non-ASCII TXT parsing on signed char platforms like s390x
move bindbackend to modules
fix pdnssec create-bind-db
move create dnssec db from backend to pdnssec
update buildscripts
move bind-dnssec.schema.sqlite3.sql.h to /pdns