Wallet management/Settings improvements (#130)

* New Branch
Splits settings out into their own areas for performance reasons

* Formatting

* Adds cutout logo for navbar

* Better settings loading screen
Better cache handling

* Adds snackbar support
Adds error websocketmessage support

* pushing from one pc to another

* Rejoins settings after failure to be able to seperate them without big rewrites

* Wallet manipulation in settings

* Reformats wallet page
Updates menu to be 'wallets'

* Lists enabled exchanges in settings before you click for modal

* Fixes currency list issue

* Fixes object reference bug in exchange-grid.component.html

* password text

web/src/app/pages/wallet/wallet.component.scss

@@ -1,7 +1,3 @@
-.wallet-card {
-    width: 80%;
-    margin: 10px auto;
-}
 
 .BTC {
     color:orange;
@@ -11,4 +7,24 @@
 }
 .ETH {
     color:darkslategrey;
-}
+}
+// FAB
+.mat-fab {
+    top: auto;
+    right: 30px;
+    bottom: 20px;
+    left: auto;
+    position: fixed;
+    z-index:9;
+}
+mat-grid-list {
+    height: 90vh;
+  }
+
+  mat-card {
+      width:90%;
+  }
+  
+  mat-grid-tile {
+    box-shadow: 0 3px 3px 0 rgba(0, 0, 0, 0.37);
+  }