fix exception while removeing a clone

java.lang.NullPointerException
null
lcmc.gui.resources.CloneInfo.removeMyself(CloneInfo.java:415)
lcmc.gui.resources.ServiceInfo$47.action(ServiceInfo.java:5618)
lcmc.utilities.MyMenuItem$9.run(MyMenuItem.java:363)
remove unused code
fix cleanup after closing of dialogs with close button
don't try to connect to the host without name

and throw npe:
java.lang.NullPointerException
null
ch.ethz.ssh2.KnownHosts.hostnameMatches(KnownHosts.java:314)
ch.ethz.ssh2.KnownHosts.getAllKeys(KnownHosts.java:258)
ch.ethz.ssh2.KnownHosts.recommendHostkeyAlgorithms(KnownHosts.java:528)
ch.ethz.ssh2.KnownHosts.getPreferredServerHostkeyAlgorithmOrder(KnownHosts.java:
282)
lcmc.utilities.SSH$ConnectionThread.run(SSH.java:1461)
add homepage URL to the readme file
add circular log buffer
add circular log to the bug report-dialog
change some debug levels
fix adding of "cluster box" after new cluster is defined

in all-cluster view
fix problems in all-cluster view

fix exceptions like:
java.lang.NullPointerException
null
lcmc.gui.resources.AllHostsInfo.allCheckboxesListener(AllHostsInfo.java:704)
lcmc.gui.resources.AllHostsInfo.access$1000(AllHostsInfo.java:73)
lcmc.gui.resources.AllHostsInfo$11$1.run(AllHostsInfo.java:618)

----

java.lang.NullPointerException
null
lcmc.gui.resources.AllHostsInfo.loadMarkedClusters(AllHostsInfo.java:639)
lcmc.gui.resources.AllHostsInfo.access$700(AllHostsInfo.java:73)
lcmc.gui.resources.AllHostsInfo$2$1.run(AllHostsInfo.java:257)
add index to the cluster name when starting from quick cluster box
fix some swing thread issues
fix exception in DRBD dialog if there are DRBD source available

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
Index: 0, Size: 0
java.util.ArrayList.rangeCheck(ArrayList.java:571)
java.util.ArrayList.get(ArrayList.java:349)
lcmc.gui.dialog.host.DrbdAvailSourceFiles$1$1.run(DrbdAvailSourceFiles.java:113)
fix group apply all action

java.lang.NullPointerException
null
lcmc.gui.resources.ServiceInfo.getMetaAttrsRefId(ServiceInfo.java:3128)
lcmc.gui.resources.GroupInfo.applyWhole(GroupInfo.java:146)
lcmc.gui.resources.ServiceInfo.upResource(ServiceInfo.java:4350)
lcmc.gui.resources.ServiceInfo$41.action(ServiceInfo.java:5418)
fix moving up/down group resources from the tree menu
add more debug output
Merge branch 'master' into test