Short time:
* Fix isiri keymap.
* Fix Arabic keymap.
* Fix bug with ZWNJ&ZWJ.
* Fix build and scripts.
* Fix bugs mentioned in http://bugs.arabeyes.org/cgi-bin/bugzilla/show_bug.cgi?id=181

Long time:
* Parse command-line options.
* Somehow share options between C sources and shell script!
* Documentation.
* Fix bicon_so bug, also support mc.
* Clean-up ZWJ-ZWNJ-ZWJ code, also support ligature-making ZWJ.
* Implement fcon as shared library (stick on fd 1 and 2 if point to tty)!
