[Frontend] Updated glyph defs and descriptions

#781
#187
Converted many glyph char defs to
their JSON unicode equivalents;
Updated descriptions for many domain
objects;

platform/features/clock/bundle.js

@@ -157,7 +157,8 @@ define([
                 {
                     "key": "clock",
                     "name": "Clock",
-                    "glyph": "C",
+                    "glyph": "\u0043",
+                    "description": "A UTC-based clock that supports a variety of display formats. Clocks can be added to Display Layouts.",
                     "features": [
                         "creation"
                     ],
@@ -212,7 +213,8 @@ define([
                 {
                     "key": "timer",
                     "name": "Timer",
-                    "glyph": "õ",
+                    "glyph": "\u00f5",
+                    "description": "A timer that counts up or down to a datetime. Timers can be started, stopped and reset whenever needed, and support a variety of display formats. Each Timer displays the same value to all users. Timers can be added to Display Layouts.",
                     "features": [
                         "creation"
                     ],