Clean of js libraries not used

Jira issue HUBHAC-7
Delete Docs and Demo from JsPlumb and Rgraph libraries

Jira issue HUBHAC-7
Resolved Bug about remove event listener of sensors added on rules.

Jira issue HUBHAC-7
Merge pull request #5 from dventura3/HUBHAC-7

Cleaned code from all not used files
Implemented load and store functions for rules

Jira issue HUBHAC-7
Add confirm prior to load and save

Jira issue HUBHAC-7
Implemented clear button

Jira issue HUBHAC-7
Merge pull request #6 from dventura3/HUBHAC-7

Implemented load and store functions for rules