Zabbix

..F....... [DEV-4633] changed wrapper to iframe when show as html is selected in Item history widget

* commit '3a1f407334afe86668ed832c0c457440243b7e47':
  .......... [DEV-4633] changed getWidgetTableData function description
  .......... [DEV-4633] changed PHP get column function to framework one
  .......... [DEV-4633] minor code style fixes
  .......... [DEV-4633] simplified getWidgetTableData function
  .......... [DEV-4633] fixed syntax, added regions for screenshot, added comments after 2nd review
  .......... [DEV-4633] returned the missing check after the cleanup
  .......... [DEV-4633] fixed minor syntax issues
  .......... [DEV-4633] changed screeshot location to check HTML encode elements
  .......... [DEV-4633] fixed selenium regression tests
  ..F....... [DEV-4633] fixed year
  ..F....... [DEV-4633] fixed sizing of text content inside iframe
  ..F....... [DEV-4633] fixed sizing of text content inside iframe
  ..F....... [DEV-4633] fixed code style
  ..F....... [DEV-4633] initial commit