Hadoop World Demo Small Changes

from https://docs.google.com/document/d/1J1poHiO71DyUGBEmOJSgERyJAjW--xYvrg90cSAT7_c/edit#

* Set attributes and properties for some operator classes for demo
* Set stream attributes for some demo cases
* Shrink operator title if it is long
* Disable zoom buttons on max/min
* Prevent connections between input/input and output/output ports
* Save operator title on blur
* Scroll operator list, not search form
* Sort operator search results by DisplayName
* Indent operator classes