This replaces the idea libraries with jar directories.

Also creates a 'bundled' lib directory in the main client, which
contains the jars that end up bundled with DMDirc. This allows
the plugins project to cleanly depend on these without depending
on any other dependencies the client has.

Change-Id: I929f402ebef5344dbc133b9a9828868e4f8c2dcd
Reviewed-on: http://gerrit.dmdirc.com/3735
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I24c242ffc9451c01a2bef66b162d3fb144dd1b44
Reviewed-on: http://gerrit.dmdirc.com/3719
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Exclude the modules directory, this makes them show up as top-level entries.

Change-Id: Ied2ac11d2b5f8dee25808ffaec95052051e875f9
Reviewed-on: http://gerrit.dmdirc.com/3700
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>