Merge pull request #3 from SymbIoT-Systems/master

Merge pull request #2 from SymbIoT-Systems/develop
First round of eidts
Merge branch 'develop' of https://github.com/SymbIoT-Systems/RPi_Edgerouter into develop
Second round of edits
Few more changes
Add to Database
Getting nodestatus from database
Working after changing variables
Added Cluster Database
Cluster Form edited in db
Changes in database frontend
Added modal box and styled form
Create modal.css

CSS file for the modal box
Changed style.css forms and buttons
DataManage frontend modals done
Battery in database
Changed db-manage webapp frontend
Merge pull request #4 from SymbIoT-Systems/develop

Databases stable with new front-end