Just adds the missing source files to the automake file.
Still it seems unmaintained since a year and doesn't look that
mobile at all (from my expectations), but it still works AFAI
can tell.
While at it add the mobile binary to .gitignore.
Change-Id: I7db21041c6848f94fcb4058c730385b077048a9c
Reviewed-on: https://gerrit.libreoffice.org/c/online/+/98553
Tested-by: Jenkins
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>