open #74
Made view-switcher visible when browsing via mobile;
Fixed class in browse.html markup from left-menu to left;
Moved object-browse-bar, top-bar classes from _controls into _layout;
Renamed and simplified menu widths in mobile _constants;
Really significant refactor of mobiles/_layout;
Tweaks in user-environ/_layout;
TO-DO: figure out why object-browse-bar flex styles not
working in mobile;
mct-scroll-x is an attribute whose value is an assignable
Angular expression. This two-way binds that expression to the
horizontal scroll state of the element on which it is applied.
mct-scroll-y is an attribute whose value is an assignable
Angular expression. This two-way binds that expression to the
vertical scroll state of the element on which it is applied.
c71f1fe447