Additional optional Environment data to heat template selection

Change-Id: I4e0d32e7e032d5c0ec93595c14134e780fa21d66
Implements: blueprint heat-environment-file
Adding resource link to resource detail page in Heat view

Change-Id: I155d0eec5d46be5df1c7d9ea090de39e56fe6c7d
Implements: blueprint heat-stack-detail-resources-column
Fixes description field extension

This patch fixes description field extension
over other fields.

Change-Id: Ied9c71478157ee28d5f0e4af603236df922bb349
Closes-Bug: #1282196
Merge "Additional optional Environment data to heat template selection"
Merge "Adding resource link to resource detail page in Heat view"
Merge "Fixes description field extension"