* Fixed apiversion not defined from js/zabbix_library.js

* Adapted index.html to local Zabbix install (FIXME: use item keys instead)
** Refresh once per minute
** Itemfix: Processor Count
** Itemfix: CPU Loads
** Itemfix: Used memory
** Itemfix: Free disk space
** Invfix: OS definition
** Mathfix: Memory
** Mathfix: Free disk space

* Locally hosting js and css
** Ignore Google fonts
* Fixed typo in my name and loadTotals multiplier
* Some code tidy up in js/zabbix_library.js
* Now using item keys instead of item names (more portable as item keys do not change (often))
* Replaced if...else if,etc with a switch case block when iterating through items
* Changed the CPU load vs CPU count logic
* Changed how we measure free memory to match procps-ng's free standard
Merge pull request #4 from eburgueno/master

Use item keys instead of text names