Add code necessary to support publishing options as described in
XEP-0060, #7.1.5. A node plugin that expects publishing options must
add <<"publish-options">> to the features/0 list and then handle the
publishing options handed over to the publish_item/7 call.
Signed-off-by: Christian Ulrich <christian@rechenwerk.net>
Use dynamic Rebar configuration
Make iconv dependency optional
Disable transient_supervisors compile option
Add hipe compilation support
Only compile ibrowse and lhttpc when needed
Make it possible to generate an OTP application release
Add --enable-debug compile option
Add --enable-all compiler option
Add --enable-tools configure option
Add --with-erlang configure option.
Add --enable-erlang-version-check configure option.
Add lager support
Improve the test suite
