Alerts: Change 'Alias' Field To 'Shorturl'

Suggested by Saïvann (thanks!)

README.md

@@ -556,7 +556,7 @@ coordination is usually conducted in #bitcoin-dev on Freenode.
 #### Basic Alert
 
 1. Open your editor on a file named `_alerts/YYYY-MM-DD-short-title.md`
-   (the alert will appear as <https://bitcoin.org/YYYY-MM-DD-short-title>).
+   (the alert will appear as <https://bitcoin.org/en/alert/YYYY-MM-DD-short-title>).
 
 2. Paste the following text into the top of the file:
 
@@ -564,8 +564,8 @@ coordination is usually conducted in #bitcoin-dev on Freenode.
     ---
     ## Title displayed on alert page
     title: "11/12 March 2013 Chain Fork"
-    ## Short URL for use in P2P network alerts: https://bitcoin.org/<alias>
-    alias: "chainfork"
+    ## Short URL for use in P2P network alerts: https://bitcoin.org/<shorturl>
+    shorturl: "chainfork"
     ## Active alerts will display the banner (below) on all bitcoin.org content pages
     active: true
     ## Banner displayed if 'active: true'.  Can use HTML formatting
@@ -611,7 +611,7 @@ coordination is usually conducted in #bitcoin-dev on Freenode.
       displayed on the live site.  The site build aborts and starts over
       when new commits are found.
 
-- Give the `alias` URL (`bitcoin.org/<alias>`) to the P2P alert message
+- Give the `shorturl` URL (`bitcoin.org/<shorturl>`) to the P2P alert message
   key holders to use in any alert messages they send.
 
 - Proceed to the next section to improve the alert.
@@ -628,8 +628,8 @@ The following fields may be defined in the the alert YAML header:
 ---
 ## (Required; HTML text) Title displayed on alert page
 title: "11/12 March 2013 Chain Fork"
-## (Optional; display ASCII only) Short URL for use in P2P network alerts: https://bitcoin.org/<alias>
-alias: "chainfork"
+## (Optional; display ASCII only) Short URL for use in P2P network alerts: https://bitcoin.org/<shorturl>
+shorturl: "chainfork"
 ## (Optional; default=false) Active alerts will display the banner (below) on all bitcoin.org content pages
 active: true
 ## (Optional; HTML text) Banner displayed if 'active: true'.  Can use HTML formatting

_alerts/2012-02-18-protocol-change.html

@@ -1,6 +1,6 @@
 ---
 title: "February 20, 2012 Protocol Changes"
-alias: "feb20"
+shorturl: "feb20"
 active: false
 banner: ""
 ---

_alerts/2012-03-16-critical-vulnerability.html

@@ -1,6 +1,6 @@
 ---
 title: "Potentially Critical Security Vulnerability"
-alias: "critfix"
+shorturl: "critfix"
 active: false
 banner: ""
 ---

_alerts/2012-05-14-dos.html

@@ -1,6 +1,6 @@
 ---
 title: "CVE-2012-2459: Critical Vulnerability (denial-of-service)"
-alias: "dos"
+shorturl: "dos"
 active: false
 banner: ""
 ---

_alerts/2013-03-11-chain-fork.html

@@ -1,6 +1,6 @@
 ---
 title: "11/12 March 2013 Chain Fork Information"
-alias: "chainfork"
+shorturl: "chainfork"
 active: false
 banner: ""
 ---

_alerts/2013-03-15-upgrade-deadline.html

@@ -1,6 +1,6 @@
 ---
 title: "15 May 2013 Upgrade Deadline"
-alias: "may15"
+shorturl: "may15"
 active: false
 banner: ""
 ---

_alerts/2013-08-11-android.html

@@ -1,7 +1,7 @@
 ---
 title: "Android Security Vulnerability"
 active: false
-alias: "android"
+shorturl: "android"
 banner: ""
 ---
 

_alerts/2014-04-11-heartbleed.html

@@ -1,6 +1,6 @@
 ---
 title: "OpenSSL Heartbleed vulnerability"
-alias: "heartbleed"
+shorturl: "heartbleed"
 active: false
 banner: ""
 ---

_alerts/2015-07-04-spv-mining.md

@@ -1,6 +1,6 @@
 ---
 title: "Some Miners Generating Invalid Blocks"
-alias: "spv-mining"
+shorturl: "spv-mining"
 active: false
 #banner: "WARNING: many wallets currently vulnerable to double-spending of confirmed transactions (click here to read)"
 bannerclass: "alert"

_plugins/alerts.rb

@@ -12,7 +12,7 @@
 #variable is set, allowing a clickable alert banner to be
 #displayed in _layouts/base.html .
 
-#If "alias" variable is set in one alert file, a short alias
+#If "shorturl" variable is set in one alert file, a short alias
 #file for the alert (like /android.html) is generated for
 #Bitcoin Core non-clickable alerts.
 
@@ -47,9 +47,9 @@ module Jekyll
         if self.data.has_key?('active') and !self.data['active'].nil? and self.data['active'] == true
           site.config['STATUS'] = 1
         end
-        if self.data.has_key?('alias')
-          site.pages << AlertPage.new(site, base, lang, srcdir, src, '', self.data['alias']+'.'+extension, date)
-          site.pages << AlertPage.new(site, base, lang, srcdir, src, '', self.data['alias']+'/index.'+extension, date)
+        if self.data.has_key?('shorturl')
+          site.pages << AlertPage.new(site, base, lang, srcdir, src, '', self.data['shorturl']+'.'+extension, date)
+          site.pages << AlertPage.new(site, base, lang, srcdir, src, '', self.data['shorturl']+'/index.'+extension, date)
         end
       end
     end