fix for NPE when service starts while activity is hidden
fix for rare crash when interfaces change while broadcasting
LanXchange 1.22 (v157)
simultaneous multicast for IPv4 and IPv6
removed outdated todo
More detailed info how remote instances were discovered

Conflicts:
	src/de/tobifleig/lxc/net/InstanceManager.java
cleared up speed measurement a bit
fixed most of netbeans warnings
swing: clarify description of self-distribution: no-inet only
swing: new (1.2) look for update logo
swing: clipping for file list, prevents footer from being covered
swing: file panel is scrollable
better handling for unreadable files during size calculation
reformat, eclipse did break this
core: save number of successful transfers
swing: show number of downloads for own files
core: fixed output of e1583452f1c42f88a955abbe521ad0ad27550f27
swing: fix 02a8af5857ca17161f6b1cfd817f414a60c21213
swing: improved calculation of number of visible files
swing: help overlay is fullscreen, responsive