Fix nsedoc issues (missing ---, mostly)

Originally committed by dmiller but recommitted by david after recovery
from backup.

scripts/broadcast-dropbox-listener.nse

@@ -10,6 +10,7 @@ Listens for the LAN sync information broadcasts that the Dropbox.com client broa
 If the <code>newtargets</code> script argument is given, all discovered Dropbox clients will be added to the Nmap target list rather than just listed in the output.
 ]]
 
+---
 -- @usage
 -- nmap --script=broadcast-dropbox-listener
 -- nmap --script=broadcast-dropbox-listener --script-args=newtargets -Pn

scripts/broadcast-pim-discovery.nse

@@ -15,7 +15,7 @@ This works by sending a PIM Hello message to the PIM multicast address
 224.0.0.13 and listening for Hello messages from other routers.
 ]]
 
---
+---
 -- @args broadcast-pim-discovery.timeout Time to wait for responses in seconds.
 -- Defaults to <code>5s</code>.
 --

scripts/dns-blacklist.nse

@@ -53,7 +53,7 @@ PROXY) or to a specific service name.  ]]
 --
 -- @args dns-blacklist.ip string containing the IP to check only needed if
 --       running the script as a prerule.
-
+--
 -- @args dns-blacklist.mode string containing either "short" or "long"
 --       long mode can sometimes provide additional information to why an IP
 --       has been blacklisted. (default: long)

scripts/dns-update.nse

@@ -20,6 +20,9 @@ categories = {"discovery", "safe"}
 -- |   Successfully added the record "nmap-test.cqure.net"
 -- |_  Successfully deleted the record "nmap-test.cqure.net"
 --
+-- @args dns-update.hostname the name of the host to add to the zone
+-- @args dns-update.ip the ip address of the host to add to the zone
+--
 
 --
 -- Examples
@@ -36,9 +39,6 @@ categories = {"discovery", "safe"}
 --	 * dns.update( "cqure.net", { host=host, port=port, dtype="MX", data="", ttl=0 } )
 --	 * dns.update( "_ldap._tcp.cqure.net", { host=host, port=port, dtype="SRV", data="", ttl=0 } )
 --
--- @args dns-update.hostname the name of the host to add to the zone
--- @args dns-update.ip the ip address of the host to add to the zone
---
 
 -- Version 0.2
 

scripts/http-git.nse

@@ -12,6 +12,7 @@ possible, including language/framework, remotes, last commit
 message, and repository description.
 ]]
 
+---
 -- @output
 -- PORT   STATE SERVICE REASON
 -- 80/tcp open  http    syn-ack

scripts/http-grep.nse

@@ -27,8 +27,7 @@ discovered.
 -- |     + sales@example.com
 -- |     + sales@example.com
 -- |__   + sales@example.com
-
-
+--
 -- @args http-grep.match the string to match in urls and page contents
 -- @args http-grep.maxdepth the maximum amount of directories beneath
 --       the initial url to spider. A negative value disables the limit.

scripts/http-open-proxy.nse

@@ -16,6 +16,10 @@ the target to retrieve a web page from www.google.com.
 ---
 -- @args proxy.url Url that will be requested to the proxy
 -- @args proxy.pattern Pattern that will be searched inside the request results
+-- 
+-- @usage
+-- nmap --script http-open-proxy.nse \
+--      --script-args proxy.url=<url>,proxy.pattern=<pattern>
 -- @output
 -- Interesting ports on scanme.nmap.org (64.13.134.52):
 -- PORT     STATE SERVICE
@@ -35,10 +39,6 @@ the target to retrieve a web page from www.google.com.
 --   * Included url and pattern arguments
 --   * Script now checks for http response status code, when url is used
 --   * If google is used, script checks for Server: gws
--- 
--- @usage
--- nmap --script http-open-proxy.nse \
---      --script-args proxy.url=<url>,proxy.pattern=<pattern>
 
 author = "Arturo 'Buanzo' Busleiman"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"

scripts/http-tplink-dir-traversal.nse

@@ -16,7 +16,6 @@ Other interesting files:
 -- @usage nmap -p80 --script http-tplink-dir-traversal.nse <target>
 -- @usage nmap -p80 -Pn -n --script http-tplink-dir-traversal.nse <target>
 -- @usage nmap -p80 --script http-tplink-dir-traversal.nse --script-args rfile=/etc/topology.conf -d -n -Pn <target>
-
 -- 
 -- @output
 -- PORT   STATE SERVICE REASON

scripts/llmnr-resolve.nse

@@ -82,9 +82,9 @@ local llmnrSend = function(query, mcast, mport)
 end
 
 -- Listens for llmnr responses
--- @interface Network interface to listen on.
--- @timeout Maximum time to listen. 
--- @result table to put responses into.
+-- @param interface Network interface to listen on.
+-- @param timeout Maximum time to listen. 
+-- @param result table to put responses into.
 local llmnrListen = function(interface, timeout, result)
     local condvar = nmap.condvar(result)
     local start = nmap.clock_ms()

scripts/msrpc-enum.nse

@@ -20,7 +20,7 @@ or dcedump tool from SPIKE fuzzer.
 -- @output
 -- PORT    STATE SERVICE      REASON
 -- 445/tcp open  microsoft-ds syn-ack
-
+--
 -- Host script results:
 -- | msrpc-enum:
 -- |
@@ -37,7 +37,7 @@ or dcedump tool from SPIKE fuzzer.
 -- |     annotation: DHCP Client LRPC Endpoint
 -- |     tcp_port: 49153
 -- |
-		-- <snip>
+-- <snip>
 -- |
 -- |     uuid: 12345678-1234-abcd-ef00-0123456789ab
 -- |     annotation: IPSec Policy agent endpoint

scripts/mtrace.nse

@@ -21,7 +21,7 @@ information about interface addresses, used protocols and error codes.
 This is similar to the mtrace utility provided in Cisco IOS.
 ]]
 
---
+---
 --@args mtrace.fromip Source address from which to traceroute.
 --
 --@args mtrace.toip Destination address to which to traceroute.

scripts/murmur-version.nse

@@ -31,6 +31,7 @@ the server.
 See http://mumble.sourceforge.net/Protocol.
 ]]
 
+---
 -- @output
 -- PORT      STATE SERVICE VERSION
 -- 64740/tcp open  murmur  Murmur 1.2.4 (control port; users: 35; max. users: 100; bandwidth: 72000 b/s)

scripts/rpc-grind.nse

@@ -21,6 +21,7 @@ hasn't exported program) means that we have sent the incorrect program number.
 Any other accept state is an incorrect behaviour.
 ]]
 
+---
 -- @args rpc-grind.threads Number of grinding threads. Defaults to <code>4</code>
 --
 -- @usage

scripts/ventrilo-info.nse

@@ -31,6 +31,7 @@ Original reversing of the protocol was done by Luigi Auriemma
 (http://aluigi.altervista.org/papers.htm#ventrilo).
 ]]
 
+---
 -- @usage
 -- nmap -sV <target>
 -- @usage