open #159
open #170
Restructured overlay size and positioning approach
for better flexibility;
Getting new dialogs and the overlay to
play nicely in mobile context;
open #159
open #170
Properly re-cast model.hint and added model.actionText;
Moved progressText into progress-bar.html;
Tweaks to dialog styles;
Tweaked styles for progress bar;
Normalized various dialog templates markup;
open #95
IN-PROGRESS!;
Mostly buttons and menus classes (s-btn and s-menu);
Removed unused templates and .css files;
Normalized some button containers;
open #74
.section-header and form-row styles changed in forms/_elems.scss;
significant changes to overlay in mobile: full-screen, close button, more;
tree hover bg changed to use rgba(#fff, 0.1);
removed "Hide title by default" in core/bundle.json;
Refactor overlay templates to separate out the overlay
container from the inner dialog containing the form;
this permits the easy reuse of that overlay container
to supply a non-form-like About dialog, WTD-667.
