Fix sql error. closes #2268
Fix sql errors on network inventory. closes #2256
Coding standard
Begin fix LLDP problems. references #2289
Begin fix problems with LLDP, search port have IP + ifdescr. references #2289
Continue fix LLDP problems. references #2289
Optimize queries for computer inventory
Enhance perf
Fix problem with LASTLOGGERUSER have @domain. closes #2291
Fix problem with LLDP and unknown devices. references #2289