Converted image-based form buttons to Patternfly btn class buttons; removed old form button CSS (transferred from ManageIQ/manageiq@3e1f30288f4924b0489e2776c627d6054e40aa23)
Converted image-based form buttons to Patternfly btn class buttons; removed old form button CSS
(transferred from ManageIQ/manageiq@3e1f30288f4924b0489e2776c627d6054e40aa23)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic