Added svg htaccess (just in case apache mime.types not set for it)
Added simple diagram for moon phase image creation.
general updates

* replaced object with embed
* made phase show as a "more accepted phase number" (full = 100%, quarter = 50%, new = 0%)
* adding the test diagram to show correct phase graphically
Altered calcs to take account of cx and cy of circle in transforms
Altered to a size of 102x102
Added php content type header
Added content type header