CIDR searches fixes #190

- possible to use CIDR when searching attributes
Fix for incorrect values returned through CIDR search
Merge branch 'hotfix-2.1.32' into develop

- Also, added CIDR to rest searches. Make sure you use the following format:

a.b.c.d|e

Conflicts:
	app/Controller/AttributesController.php
Added explanation for CIDR searches to the automation page