{svc,rawx}-monitor now transmit their environment

This is necessary to install RC in non-stardard places, thus working with variables such as PATH and LD_LIBRARY_PATH.

In addition, the sample configurations have been adapted to fit decently recent httpd versions (i.e. 2.4).

Change-Id: I26960cc38d35de919c513a3be220e24648f25362
Now requires asn1c >= 0.27

Change-Id: Ic773661246222bc28e4001515dbaa113670b82f2