Set zoom back to x axis only.
Set zoom back to x axis only.

Setting it to x and y axis was really not intiutive to use.

ruby-bench/ruby-bench-web,treble37/ruby-bench-web,tgxworld/ruby-bench-web,klgilbert/ruby-bench-web,bmarkons/ruby-bench-web,tgxworld/ruby-bench-web,bmarkons/ruby-bench-web,tgxworld/ruby-bench-web,bmarkons/ruby-bench-web,hanmd82/ruby-bench-web,klgilbert/ruby-bench-web,hanmd82/ruby-bench-web,klgilbert/ruby-bench-web,ruby-bench/ruby-bench-web,ruby-bench/ruby-bench-web,treble37/ruby-bench-web,hanmd82/ruby-bench-web,treble37/ruby-bench-web