Normalize author fields, changing "and" to comma-sep

scripts/http-iis-webdav-vuln.nse

@@ -33,7 +33,7 @@ For more information on this vulnerability and script, see:
 -- @args basefolder The folder to start in; eg, <code>"/web"</code> will try <code>"/web/xxx"</code>.
 -----------------------------------------------------------------------
 
-author = "Ron Bowes and Andrew Orr"
+author = "Ron Bowes, Andrew Orr"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 categories = {"vuln", "intrusive"}
 

scripts/irc-unrealircd-backdoor.nse

@@ -49,7 +49,7 @@ Reference:
 -- |_irc-unrealircd-backdoor: Looks like trojaned version of unrealircd. See http://seclists.org/fulldisclosure/2010/Jun/277
 -- 
 
-author = "Vlatko Kosturjak and Ron Bowes"
+author = "Vlatko Kosturjak, Ron Bowes"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 categories = {"exploit", "intrusive", "malware", "vuln"}
 

scripts/mcafee-epo-agent.nse

@@ -18,7 +18,7 @@ Check if ePO agent is running on port 8081 or port identified as ePO Agent port.
 -- 8081/tcp  open  http    McAfee ePolicy Orchestrator Agent 4.5.0.1852 (ePOServerName: EPOSERVER, AgentGuid: D2E157F4-B917-4D31-BEF0-32074BADF081)
 -- Service Info: Host: TESTSERVER
 
-author = "Didier Stevens and Daniel Miller"
+author = "Didier Stevens, Daniel Miller"
 
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 

scripts/weblogic-t3-info.nse

@@ -4,7 +4,7 @@ local shortport = require "shortport"
 local nmap = require "nmap"
 
 description = "Detect the T3 RMI protocol and Weblogic version"
-author = "Alessandro ZANNI <alessandro.zanni@bt.com> and Daniel Miller" 
+author = "Alessandro ZANNI <alessandro.zanni@bt.com>, Daniel Miller" 
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 categories = {"default","safe","discovery","version"}