* Device Cache
also some additional device related models
* attribs from cache
* replace common attribute functions
* remove legacy cache usage
tidy up some collection manipulation
remove some unused or single use functions
* cleanup some items
* always return a device, to prevent bugs
* clear device cache when testing after each test
* fix double assignment
* Clean up function to take advantage of null object
* Security fix: unauthorized access
Affects nginx users:
Moved php files outside of public html directory (Apache was protected by .htaccess)
Affects all users:
Some files did not check for authentication and could disclose some info.
Better checks before including files from user input
* git mv html/includes/ includes/html
git mv html/pages/ includes/html/
