TRQ-2021 - change path to lib_net.h to allow server build to complete 
successfully. This is a fix to resolve an issue with commit
297cbda40a6af73daf1c48700553b147f4f0e70d where master failed to build 
after this commit.
Merge code from the 4.1-dev for TRQ-1071 - improve error message when TRQ spool log is full.
Merge branch 'master' of https://github.com/adaptivecomputing/torque
Merge from 4.2-dev for TRQ-1988: valgrind found an invalid write.