Update phaser.lua

* Phaser control as M.phaser()
Update gstate.lua

* Remove M.NBANKS (see trek.phaser module)
Update action.lua

* Fix Move.free to boolean in M.capture()
Update init.lua

* Add trek.phaser initialization
Update play.lua

* Enable trek.phaser.phaser()
Update phaser.lua

* Remove C code remnants
* add forgotten end at if - elseif - end block