Mobile adaptation & Sourse of rates page layout (#170)

* theme change were maken more slight

* overlay animation increased

* general page layout adapted fot tablet/mobile
some styles moved to common
pages structure revised to be more universal

* source of rates page: layout changed, tablet/mobile adapted

* moved theme switcher to side-menu, changed links behavior

* Transactions, Payouts pages: layout upgraded, mob adaptation done

Author: pogorielova

shkeeper/static/css/common.css

@@ -32,22 +32,6 @@
     width: 16%;
 }
 
-.rates-name {
-    width: 15%;
-}
-
-.rates-switcher {
-    width: 32%;
-}
-
-.rates-price {
-    width: 21%
-}
-
-.rates-fee {
-    width: 21%;
-}
-
 .transaction-hide {
     display: none;
 }
@@ -305,10 +289,6 @@
     height: 29.96px;
 }
 
-.set-all-name {
-    width: 15%;
-}
-
 .address-val:hover {
     cursor: pointer;
     background-color: #f8f9fa;