OSX build results.
Revert "OSX build results."

This reverts commit 30218d3ee401e0151b37f24b80e267615fd98aac.
Eclipse launch configuration.
OSX build results. Again? Will need to look into this.
Allow properties to be set using a local.properties file.
Using more current jafama library.
Using jafama and l2fprod-common-all libraries from jar files.
Let a local.properties file take precedence over global build.xml preferences. (because paths such as `F:/DEV` don't exist on OSX and are developing environment specific).
Launch configurations so this repo is portable for me.
Using the java Preferences class to store user-data in system-specific locations rather than use Properties files stored at hardcoded locations in the user's path. I'd rather not have app-specific configuration files in my home folder when there's already a dedicated place (on OSX it's in ~/Library/Preferences; on Windows it's in the registry under HKEY_CURRENT_USER\Software\JavaSoft\Prefs; on Linux it's in ~/.java/.userPrefs).