FS-1248: link to libgcrypt as well, please report any platforms this breaks, but it should be portable

mod_callcenter: Add param to change the location or name of the sqlite database like to put it into a ramdisk

refactor export code and add new bridge_export app which is like export but exports across when one channel bridges another

Still need missing files

freetdm: Initial fix attempt for libpri.  It will now load and work.  More testing will be required, I got the feeling some event will clean a channel / span of it value when there is timer still active.