release 1.5.12
skip ip addresses that could not be parsed

fixes:
java.lang.NumberFormatException: For input string: "value"
For input string: "value"
java.lang.NumberFormatException.forInputString(Unknown Source)
java.lang.Integer.parseInt(Unknown Source)
java.lang.Integer.<init>(Unknown Source)
lcmc.data.resources.NetInterface.<init>(NetInterface.java:101)
lcmc.data.Host.parseHostInfo(Host.java:2132)
lcmc.data.Host$6.done(Host.java:1670)
lcmc.utilities.SSH$ExecCommandThread.exec(SSH.java:712)
lcmc.utilities.SSH$ExecCommandThread.run(SSH.java:634)