Review and integrate UI enhancements (#2078)

* [Frontend] WIP New local-controls classes

Fixes #2000
- h-local-controls
- Markup in plots changed
- Changed reset plot button's icon

* [Frontend] WIP local-controls classes

Fixes #2000
- Refactoring to use and apply local-control classes consistently;
- Plots and imagery done in main view and Display Layout contexts;

* [Frontend] WIP local-controls classes

Fixes #2000
- Use local-control classes in Timelines;
- Group Timeline buttons in l-btn-set;
- Use reset icon glyph;

* [Frontend] WIP local-controls classes

Fixes #2000
- Slight increase in size to buttons in frame context;

* [Frontend] local-controls classes

Fixes #2000
- Code cleanup;
- Update Style Guide content;
- Provisionally done, needs unit testing and double-checking;

* [Frontend] Better selecting in browse mode

Fixes #2000
- Better colors and approach to selecting in browse mode;

* [Frontend] Tweaks to pane collapse mini-tabs

Fixes #1758
Fixes #2000
- Enlarged mini-tabs and moved to screen top;
- Removed duplicative theme-based constants;

* [Frontend] Tweaks to "nav up" arrow button

Fixes #1758
Fixes #2000
- Increased hit area of .l-back "nav up" arrow in object-browse-bar;

* [Frontend] Glyph improvements

Fixes #1758
Fixes #2000
- New arrow glyph for view controls;
- Increased hit area of view controls in tree for mobile and desktop;
- Better "hamburger" menu glyph;

* [Frontend] Inspector refactor to CSS grid WIP

Fixes #1758
Fixes #2000
- WIP!!!;
- Good progress on Properties section;

* [Frontend] Inspector refactor to CSS grid WIP

Fixes #2000
- Significant mods to CSS and markup;
- New grid archetypes classes;
- Added title attribs to plot options edit and browse props;
- Added value, alarm markers to plot series browse props;
- Nearly done (?) but needs unit testing and cleanups;

* [Frontend] Minor tweaks to form and form-row

Fixes #2000
- Fixing margin problem with .form-row;
- h2 instead of div.section-header;

* [Frontend] Fixed H2 in Elements pool

Fixes #2000

* Refinements to Time Conductor

Fixes #2000
- Tweaks size of fixed position grab ticks;
- Positioning refinements to ticks and text;
- Hide major tick marks;

* Hide View Large button for nested hidden-frame Layouts

Fixes #2000
- When a layout is nested and has its frame hidden, hide the
View Large button;

* Better hiding of Time Conductor "Submit" button

Fixes #2000

* Re-added new icon-arrow-right-equilateral glyph;

Fixes #2000
Fixes #2078

* Remove commented styles/markup

Fixes #2000
Fixes #2078

* Repaired approach to hiding Time Conductor Submit button

Fixes #2000
Fixes #2078
- Renamed .off to .invisible and added refinements;

* Fixed wrong conflict resolutions; polish search

Fixes #2000
Fixes #2078
- .invisible instead of .off in search.html;
- Minor polishing to search;

fixes #1758
fixes #1763 
fixes #2011

platform/features/imagery/res/templates/imagery.html

@@ -1,10 +1,9 @@
 <div class="t-imagery" ng-controller="ImageryController as imagery">
     <mct-split-pane class='abs' anchor="bottom" alias="imagery">
-    <div class="split-pane-component l-image-main-wrapper l-flex-col"
+    <div class="split-pane-component has-local-controls l-image-main-wrapper l-flex-col"
         ng-mouseenter="showLocalControls = true;"
         ng-mouseleave="showLocalControls = false;">
-        <div class="l-local-controls s-local-controls s-wrapper-transluc l-flex-row"
-            ng-class="{ 'hide-nice': !showLocalControls }">
+        <div class="h-local-controls h-local-controls-overlay-content h-local-controls-trans s-local-controls local-controls-hidden l-flex-row">
             <span class="holder flex-elem grows">
                 <input class="icon-brightness" type="range"
                        min="0"
@@ -38,18 +37,12 @@
                     ng-click="showThumbsBubble = (showThumbsBubble) ? false:true"></a>
                 <span class="l-time">{{imagery.getTime()}}</span>
             </div>
-            <div class="l-controls-w flex-elem">
+            <div class="h-local-controls flex-elem">
                 <a class="s-button pause-play"
                     ng-click="imagery.paused(!imagery.paused())"
                     ng-class="{ paused: imagery.paused() }"></a>
-                <a href="{{imagery.getImageUrl()}}"
-                   ng-if="imagery.getImageUrl()"
-                   target="_blank"
-                   title="Open image in new tab."
-                   class="s-button icon-new-window">
-                   </a>
                 <a href=""
-                    class="s-button l-mag s-mag ui-symbol vsm icon-arrows-out"
+                    class="s-button l-mag s-mag vsm icon-reset"
                     ng-click="clipped = false"
                     ng-show="clipped === true"
                     title="Not all of image is visible; click to reset."></a>