Events: Added Bitcoin in the City & Age of Cryptocurrency

1. Bitcoin In the City (London, UK) closes #798 and closes #797

2. The Age Of Cryptocurrentcy (Washington DC, USA) closes #794

_events.yml

@@ -1,27 +1,3 @@
-- date: 2015-03-19
-  title: "Future of Money - The Bitcoin Story"
-  venue: "YMCA Ahmedabad, India"
-  address: "YMCA International Center, SG Highway, Ahmedabad 380015, India"
-  city: "Ahmedabad"
-  country: "India"
-  link: "https://getmagnet.co/future-of-money"
-
-- date: 2015-03-23
-  title: "MTBIT - Bitcoin & Remittances Las Vegas"
-  venue: "Flamingo Hotel & Casino"
-  address: "3555 Las Vegas Boulevard South"
-  city: "Las Vegas, NV"
-  country: "United States"
-  link: "http://www.imtconferences.com/mtbit/"
-
-- date: 2015-03-28
-  title: "Texas Bitcoin Conference"
-  venue: "Moody Theater"
-  address: "310 W Willie Nelson Blvd"
-  city: "Austin, TX"
-  country: "United States"
-  link: "http://texasbitcoinconference.com/conferences/austin2015"
-
 - date: 2015-03-31
   title: "Transact 15"
   venue: "Moscone center / South building"
@@ -38,6 +14,14 @@
   country: "Russia"
   link: "http://bitcoinconf.moscow/"
 
+- date: 2015-04-08
+  title: "Bitcoin in the City"
+  venue: "SAS"
+  address: "7th floor, 199 Bishopsgate, EC2M 3TY"
+  city: "London"
+  country: "England"
+  link: "https://events.roolo.io/"
+
 - date: 2015-04-16
   title: "Bitcoin Africa Conference"
   venue: "Atlantic Imbizo Conference And Function Studio"
@@ -62,6 +46,14 @@
   country: "United States"
   link: "http://bitcoinconsumerfair.com/"
 
+- date: 2015-04-22
+  title: "The Age of Cryptocurrency"
+  venue: "Consumers' Research - DACOR Bacon House"
+  address: "1801 F Street, NW"
+  city: "Washington, DC"
+  country: "United States"
+  link: "http://consumersresearch.org/event/the-age-of-cryptocurrency/"
+
 - date: 2015-04-27
   title: "Inside Bitcoins New York"
   venue: "Javits Convention Center"