Re-format html template
Re-format html template

- Indent CSS
- Indent JavaScript
- Indent HTML
- Remove some redundant spaces, empty lines
- Add some empty lines to CSS section
- Indent using 4 spaces

Implements: blueprint update-html-template

Change-Id: I7655b0cb040a6e36c41569f20022b548ec677f00

stackforge/osprofiler,stackforge/osprofiler,openstack/osprofiler,stackforge/osprofiler,openstack/osprofiler,openstack/osprofiler