Update the LoadTesting framework.

Permit use of Git while still supporting Subversion. Improve the script structure and reduce dependence on hard-coded paths.

utilities/LoadTesting/scripts/_setTest

@@ -12,12 +12,18 @@ Record that selection, along with the desired number of iterations and threads.
 --------------------------------------------------------------------------------
 =end
 
-@test_parms_file = "#{File.dirname(__FILE__)}/subscripts/_current_test.rb"
+begin
+  require File.expand_path('subscripts/common', File.dirname(__FILE__))
+rescue LoadError => e
+  puts e
+end
+
+@test_parms_file = "#{@home}/scripts/subscripts/_current_test.rb"
 
 # Find out what tests we have available
 def build_test_list()
   @test_names = []
-  Dir.foreach("/home/jeb228/LoadTesting/testinfo/tests") do |filename|
+  Dir.foreach(test_file('tests')) do |filename|
     @test_names.push(filename) unless filename[0,1] == "."
   end
   @test_names.sort!