Added support in the javascript shell for the #! unix script hack; if
the first line read by the shell (from a file, not interactive) starts
with #, the line is treated as a comment.
This should make
#!/usr/bin/js work...
git-svn-id: svn://10.0.0.236/trunk@1376 18797224-902f-48f8-a5cc-f745e15eee43
afa28896ca