Fixes #8661 - Refactor compute resource vm partials

Removed pointless try methods, renaming the new variable to new_host
to avoid possible name confusion.

Fixes #8804 - Align the dashboard to bootstrap columns

Fixes #8796 - Fix to_gb size calculation and constentize

fixes #6540, #8335 - Add error to vmware when no datacenter, save password when testing connection

fixes #8049 - Add timezone to user

Fixes #8785 - HTML syntax fixes - add thead/tbody, fix formatting

fixes #8233 - better HTML formatting for summary email

Fixes #2592 - No indication when waiting for host dashboard button action to complete

Fixes #8620 - Remove useless back to host index link in multiple hosts action

fixes #8477 - usability improvements to template locking/defaults