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/search/res/templates/search.html

@@ -39,7 +39,7 @@
                 <a ng-if="toggle.isActive()" class="menu-icon context-available"></a>
                 <mct-include key="'search-menu'"
                              class="menu-element c-search__search-menu-holder"
-                             ng-class="{off: !toggle.isActive()}"
+                             ng-class="{invisible: !toggle.isActive()}"
                              ng-model="ngModel"
                              parameters="{menuVisible: toggle.setState}">
                 </mct-include>
@@ -52,7 +52,7 @@
         </div>
 
         <div class="active-filter-display flex-elem holder"
-             ng-class="{off: ngModel.filtersString === '' || ngModel.filtersString === undefined || !ngModel.search}">
+             ng-class="{invisible: ngModel.filtersString === '' || ngModel.filtersString === undefined || !ngModel.search}">
             <a class="clear-filters icon-x-in-circle s-icon-button"
                ng-click="ngModel.checkAll = true; menuController.checkAll()"></a>Filtered by: {{ ngModel.filtersString }}
         </div>
@@ -65,7 +65,7 @@
         </div>
 
         <div class="search-results flex-elem holder grows vscroll"
-             ng-class="{ off: !(loading || results.length > 0), loading: loading }">
+             ng-class="{invisible: !(loading || results.length > 0), loading: loading}">
             <mct-representation key="'search-item'"
                                 ng-repeat="result in results"
                                 mct-object="result.object"