Improved property viewers, added some new ones

app/imports/ui/properties/components/ProficiencyIcon.vue

@@ -0,0 +1,25 @@
+<template lang="html">
+	<v-icon v-if="value !== undefined">{{displayedIcon}}</v-icon>
+</template>
+
+<script>
+export default {
+	props: {
+		value: Number,
+	},
+	computed: {
+		displayedIcon(){
+			let value = this.value;
+			if (value == 0.5){
+				return 'brightness_2';
+			} else if (value == 1) {
+				return 'brightness_1'
+			} else if (value == 2){
+				return 'album'
+			} else {
+				return 'radio_button_unchecked';
+			}
+		}
+	}
+}
+</script>