Merge pull request #1 from plumgrid/salmankh-dev

Salmankh dev
Include plugin patch for Havana
Incorporate the right extension for the templates

In this patch we call the template files form the plugin class
Rename the files of the templates
Merge pull request #2 from plumgrid/emagana-dev

Incorporate patch for PLUMgrid plugin in Havana
Add the proper package requied for the PLUMgrid plugin configuration
Merge pull request #3 from plumgrid/emagana-dev

Add the proper package requied for the PLUMgrid plugin configuration
Switch on error propagation

Signed-off-by: Fawad Khaliq <mfawadkhaliq@gmail.com>
Merge pull request #4 from plumgrid/fkhaliq_dev

Switch on error propagation