Complex sentence: It determined a new governing system for itself and select coordinators, establish a new direction and mission (the general feeling was that people wished to work on something much more significant than a "mere Ultima clone"), and vote itself a new name.
Split into simpler sentences: It determined a new governing system for itself and selected coordinators, established a new direction and a mission. The community wished to work on something much more significant than a "mere Ultima clone," and voted itself a new name.