Add unit test for StreamReaderUtil

Change-Id: I333d7a498862cc1dfb6dfe467f97cdaa3372b273
Reviewed-on: http://gerrit.dmdirc.com/4064
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager
Remove deprecated methods.

Change-Id: I5ad29260862e3e9983a7031549bb5e6296551859
Reviewed-on: http://gerrit.dmdirc.com/4055
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>
Remove pointless method.

Sockets are closeable now. Woo.

Change-Id: I1d58c907dd38e515b25273685d37e3650c03042f
Reviewed-on: http://gerrit.dmdirc.com/4065
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager