ap-dnsproxy: fix another shebang
ap-dnsproxy: get PWAP_DNSPROXY_RUNDIR from config file
ap-dnsproxy: get dnsmasq port from config file
ap-dnsmasq: let puavo-wlanap cache its events when we are not listening

This commit tries to make sure that puavo-wlanap-dnsproxy handles
already existing networks correctly, so that it can be started
independently from puavo-wlanap.
ap-dnsproxy: create datadir during install
ap-dnsproxy: Makefile: install target depends on config
ap-dnsproxy: create confdir during install
ap-dnsproxy: fix typo
ap-dnsproxy: fix config file syntax
ap-dnsproxy: source is bashism
ap-dnsproxy: fix inifinite recursion
ap-dnsproxy: inform when enabling/disabling DNS redirection