added features, took away some asserts in bmfpts

Features:
-colors for picture view
-time stamp now includes total time
-error control for going beyond assert bounds
-movie export to avi
-picture export (jpg,bmp,png)
-repeat on/off button for movie
-dataInput errordlg for z0~=z1

took away plx/ply asserts
Can't set variable as filename for movie export