First commit for rules

Jira issue HUBHAC-7
Removed file .DS_Store and add home.css

Jira issue HUBHAC-7
Modify CSS to maintain leftcolum size of index.html file

Jira issue HUBHAC-7
Merge pull request #3 from dventura3/HUBHAC-7

First implementation of composition engine for rules
Improvement on graphs and gauges.

Jira issue: HUBHAC-9
Merge pull request #4 from steverc/HUBHAC-9-graphTab

Improvement on graphs and gauges.