holoirc: fix up tests with gradle system
holoirc: make nick changes display on the user list again

Conflicts:
	HoloIRC/src/main/java/com/fusionx/lightirc/irc/PrivateMessageUser.java
holoirc: fix many of the reported bugs from 2.6.1
holoirc: fix crash on initial connect
Merge branch 'alpha'