use and possible uninitialized var use, some memory leaks, a couple of
possible deadlocks and other issues.
While there, enable the http post module (done as a subpackage to
avoid pulling gmime/glib2 into the main package) and WANTLIB cleanup.
AEL dialplan users should see UPGRADE.txt for information about
changes to inheritance of the 'h' extension.
67d6b15dc9