studio - sass cleanup: adding in more color variables, proofing box-sizing and older/rougher unit scss

studio - sass cleanup: local merge with master and small comment/organization tweaks to variables and base-styles

studio - tender widget: added compromise of style given iframe and clunky DOM elements that tender is using. meh.

studio - checklists: moved content to yaml file, cleaned up new checklists production view, added in page-level nav, and collapse/expand indicators

studio - checklists: revised task completion styles, added in checklist visual progress UI and demo/PoC JS and cleaned up some content/status states

studio - Sass Cleanup: moved all page/view specific css to their own views and created forms specific sheet

studio - settings: matched up styling/treatment of disabled input fields in schedule/details settings view to new advanced settings UI

studio - advanced settings: removed new/delete controls from advanced policies and makde key fields readonly/disabled since we're now showing all policy metadata