Update third-party libraries to their latest versions.

Libraries updated:
----
xmlrpc-* (3.1 to 3.1.3)
commons-logging (1.1 to 1.1.1)
WinRegistry (4.4 to 4.5)
jpathwatch (0.94 to 0.95)
xstream (1.2.1 to 1.4.4)
JFlex (to 1.4.3)
JGraph (to 5.8.3.1)
Prepare for tycho - step 1.

Fix build properties to not contain fake items as Tycho can't cope with
them. Also ignore target/.

Change-Id: I73acd1270795e5e61acd9cc6e11bd1513d3a94b0
Merge pull request #12 from AndrewFerr/aferrazz_dev

Update third-party libraries to their latest versions.
Merge pull request #13 from akurtakov/development

Prepare for tycho - step 1.