add wrapper code to fully encapsulate apr, apr-utils, pcre, and sqlite.  fully use switch_ namespace in modules, create our own format and type defines.  follow up commit for unix autotools coming soon after this.  PLEASE NOTE: you will NEED to do a make megaclean and run configure again after this update (and the following commit) or it will not build.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4494 d0543943-73ff-0310-b7d9-9358b9ac24b2