* src/ejabberd_s2s_out.erl: Close connection after key

* src/ejabberd_s2s_out.erl: Close connection after key
verification

* src/ejabberd_c2s.erl: start replaced with start_link
* src/ejabberd_s2s_in.erl: Likewise
* src/ejabberd_s2s_out.erl: Likewise
* src/ejabberd_service.erl: Likewise

* src/ejabberd_listener.erl: Now uses proc_lib to spawn listeners,
removed 3rd parameter in listener configuration (assumed to equal
start_link)

* src/ejabberd.rel: Updated

* doc/guide.tex: Small changes

* doc/Makefile: Added implicit charset specification to hevea

SVN Revision: 124