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/subscripts/common.rb

@@ -0,0 +1,33 @@
+#
+# The path to the LoadTesting directory. Everything is based on this
+# 
+@home = File.expand_path("../..", File.dirname(__FILE__))
+
+#
+# 'require' should look in the scripts directory
+#
+$: << File.expand_path('scripts', @home)
+
+# 
+# convenience methods to access files
+#
+def version_file(path)
+  "#{@home}/versions/#{@version_name}/#{path}"
+end
+
+def distro_file(path)
+  "#{@home}/distros/#{@distro_name}/#{path}"
+end
+
+def site_file(path)
+  "#{@home}/sites/#{@site_name}/#{path}"
+end
+
+def test_file(path)
+  "#{@home}/testinfo/#{path}"
+end
+
+#
+# All of the scripts need to load these parms. (Except _setVersion and _setTest)
+#
+require 'subscripts/loadParms'