typecompletion bash script for az and updated as per codereview comments

Author: arroyc

src/CLU/Microsoft.Azure.Commands.Websites/Content/help/az.hlp

@@ -1,4 +1,3 @@
+***Welcome to the azure management commands*** 
 
-this is  poor "az --help"
-
-help me build my content !!!!!!!!!!!!!
+Run 'azure help' to get a list of all commands.

src/CLU/Microsoft.CLU/CommandModel/CmdletCommandModel.cs

@@ -97,9 +97,14 @@ public CommandModelErrorCode Run(ConfigurationDictionary commandConfiguration, s
                 catch (CommandNotFoundException)
                 {
                     var helplines = binderAndCommand.ListCommands(binderAndCommand.Discriminators.ToArray(), isComplete);
+                    string strNoCommand = string.Format(Strings.CmdletHelp_Generate_NoCommandAvailable,
+                        CLUEnvironment.ScriptName, String.Join(" ", binderAndCommand.Discriminators.ToArray()));
                     foreach (var entry in helplines)
                     {
-                        CLUEnvironment.Console.WriteLine(entry);
+                        if (!String.Equals(strNoCommand, entry))
+                        {
+                            System.Console.WriteLine(entry);
+                        }
                     }
                     return CommandModelErrorCode.CommandNotFound;
                 }

src/CLU/Microsoft.CLU.Run/script/azcomplete.sh renamed to src/CLU/Microsoft.CLU/script/azcomplete.sh

@@ -1,7 +1,7 @@
 _azcomp2()
 {
 	export params=$(printf "%s " "${COMP_WORDS[@]:1}")
-    COMPREPLY=( $(./az ${params} --complete 2>&1 ) )
+    COMPREPLY=( $(${1} ${params} --complete) )
 	return 0
 }