shout can not play wav files.

shout can not play wav files, and FS can play wav files by itself even on http(s).
sometimes you should use http url + wav file, e.g. when you want generate wav files by your web framework on the url or any other things.
Merge pull request #113 from emamirazavi/patch-1

shout can not play wav files.
indent fix - gersmann
Shallow clone when running freeswitch/install.sh

Most of the time we don't need all that history.
Merge pull request #114 from darylyu/patch-1

Shallow clone when running freeswitch/install.sh