Update gitian downloader config. Not in use currently.

contrib/gitian-downloader/linux-download-config

@@ -11,4 +11,8 @@ signers:
     weight: 40
     name: rnicoll
     key: rnicoll
+  1DDC450B45DB5ADCCF5DDA7F8E4217C6D47D946D:
+    weight: 40
+    name: langerhans
+    key: langerhans
 minimum_weight: 120

contrib/gitian-downloader/win32-download-config

@@ -1,46 +1,18 @@
 --- 
-name: bitcoin
+name: dogecoin
 urls:
-- http://bitcoin.org/bitcoin-latest-win32-gitian.zip
+- http://example.org/dogecoin-latest-win32-gitian.zip
 rss:
 - url: http://sourceforge.net/api/file/index/project-id/244765/mtime/desc/limit/100/rss
   xpath: //item/link/text()
-  pattern: bitcoin-\d+.\d+.\d+-win32-gitian.zip
+  pattern: dogecoin-\d+.\d+.\d+-win32-gitian.zip
 signers:
-  0A82509767C7D4A5D14DA2301AE1D35043E08E54:
+  90DC2AC256201AD9377E15049142E5F7E533CE3B:
     weight: 40
-    name: BlueMatt
-    key: bluematt
-  BF6273FAEF7CC0BA1F562E50989F6B3048A116B5:
+    name: rnicoll
+    key: rnicoll
+  1DDC450B45DB5ADCCF5DDA7F8E4217C6D47D946D:
     weight: 40
-    name: Devrandom
-    key: devrandom
-  E463A93F5F3117EEDE6C7316BD02942421F4889F:
-    weight: 40
-    name: Luke-Jr
-    key: luke-jr
-  D762373D24904A3E42F33B08B9A408E71DAAC974:
-    weight: 40
-    name: "Pieter Wuille"
-    key: sipa
-  77E72E69DA7EE0A148C06B21B34821D4944DE5F7:
-    weight: 40
-    name: tcatm
-    key: tcatm
-  01CDF4627A3B88AAE4A571C87588242FBE38D3A8:
-    weight: 40
-    name: "Gavin Andresen"
-    key: gavinandresen
-  71A3B16735405025D447E8F274810B012346C9A6:
-    weight: 40
-    name: "Wladimir J. van der Laan"
-    key: laanwj
-  AEC1884398647C47413C1C3FB1179EB7347DC10D:
-    weight: 40
-    name: "Warren Togami"
-    key: wtogami
-  9692B91BBF0E8D34DFD33B1882C5C009628ECF0C:
-    weight: 1
-    name: michagogo
-    key: michagogo
+    name: langerhans
+    key: langerhans
 minimum_weight: 120