Removed php closing tag
Added $app_path to config.php

$app_path may be used if the app is not installed in the document_root
with the relative path of install
Added missing jquery-ui
Use $app_path in check_install.php
Added $app_path and changed js and css paths
Revert "Added $app_path and changed js and css paths"

This reverts commit 836fdeb6c3d166f16f4b4e54e22d09fbcaf3035f.
Added $app_path and hardcoded http_host
Cleaned some js, css and removed unused html
Correct link, html and added style
Added missing highcharts.js
remove duplicate closing html
Fixed ajax call
added cursor pointer to button
Corrected js call and escape url parameter