Renaming function name in PHP
Adding little dots to the graphs in javascript
Fixing some coding issues in the PHP
Moving towards working with 2 columns
Not dumping clause glue&size distributions by default

This makes it MUCH faster to run the system with the SQL dumping turned
on.
Making multi-column data work much better

The canvas is still resized to half the size but all the other things
seem to work
Don't dump top N variable's data if N is 0

Set N to zero by default -- we don't need this data so much
Making it much easier to code the system to calculate variable variance stats
Only calculating decision and trail variances if needed

Also, fixing problems around it when STATS_NEEDED was disabled