Hard coded initial gosper glider gun

Add a file to illustrate potential format of a pattern file
Fix button start, stop and reset so they work as expected.
Fix bug with start and pause button

Clicking several time on start button would trigger several timer and
break both the speed of the simulation and the pause button.

Add a quick example on how to use php to build a list of patterns and
call javascript.

Added the pattern directory with the gosper gun ;)
Merge pull request #2 from twildawnight/gliderGun

Glider gun