Combine all the Toolbar Consolidation commits...

WIP show toolbar on accession form and disable if there are form changes detected

Rework all toolbars for editable records

Fix a few annoying frontend things... removed namely default values for resource, DO and DOC; fixed subsection button styling in FF; fixed 'alert' exception at end of selenium tests; disable form submit button upon click to stop double posts;

Add 'Save' action to toolbar (from pivotal task request to offer Save action at top of page)

Fix dropdown menus in toolbar appearing offscreen by introducing new dropdown-menu class .open-aligned-right

Fix subrecord-form heading btns losing context (now they are anchors)