Moved file scripts/add-get-intent.rb to directory old-scripts/scripts/

According to Toshio, "scripts/add-get-intent.rb" is an older version
of "scripts/intent-installer.rb"

Change-Id: I123736d7221a147ac97b42ad09f585fb68923903
diff --git a/scripts/add-get-intent.rb b/old-scripts/scripts/add-get-intent.rb
similarity index 100%
rename from scripts/add-get-intent.rb
rename to old-scripts/scripts/add-get-intent.rb