* added functionality to set sysLocation override in $os.inc.php files
* php styling fixes
* updated docs for location override in $os.inc.php
* patch poweralert.inc.php to use $location override
* added location override for enexus (Eltek)
* update phpdoc for set_device_location()
* converged location code in core.inc.php to use set_device_location()
* added new snmprec test data for enexus os
* Travis test data
* remove enexus_smartpacks2 test data
* Revert "remove enexus_smartpacks2 test data"
This reverts commit 36c8fc7036.
* updated enexus_smartpacks2 test data with generic syslocation
* kick travis CI
* kick travis CI