Add -k/--check command line param. Exits with 0 or 1 if an existing dmdirc instance was found via RMI. (0 == Found)
Windows uninstaller now asks if the user wants to continue rather than just doing it
Windows uninstaller now uses the return value of DMDirc.jar -k to check if DMDirc is running before trying to uninstall.
Fixes issue 441.
git-svn-id: http://svn.dmdirc.com/trunk@403500569f92-eb28-0410-84fd-f71c24880f
Rather than building a separate installer.jar that contains a subset of DMDirc.jar, just use java -cp DMDirc.jar com.dmdirc.installer.Main like we should have done all along really.
When possible (/usr/lib/lazarus exists) the windows installer builder will compile in a GUI for the download progress, rather than showing a wget console window.