This is a autotools (autoconf/automake/libtool) based skeleton framework for developing
external (= out-of-tree) modules for FreeSWITCH.

Variants of this framework have been used to develop modules like mod_openais, mod_ssh and others.

NOTE: This version of the SDK relies on pkg-config to detect FreeSWITCH
      installations.

Other SDKs for external modules should be added in: "src/mod/sdk/<build-system-name>/"
e.g. a scons-based SDK should be put in: "src/mod/sdk/scons/"
Signed-off-by: Stefan Knoblich <s.knoblich@axsentis.de>
Requested-by: Michal Bielicki - cypromis <michal.bielicki@seventhsignal.de>