Improve tooltip on obsfucate block.

Change-Id: Ib13ee3490e60c28b6a8a65167005820f5e6c18e8
Bug fix for git issue #160

Text Input Notifier component: Canceling a notifier input should hide
the keyboard.

Change-Id: Iefea7982b0b15391381a4b70d7b88ae5e74d45be
Updated deprecated calls to GWT CheckBox

Replacements are type-consistent drop-ins:
isChecked -> getValue
setChecked -> setValue

Change-Id: If727b574d181e95461bb6e270d5dc0ec879428ae
Designer property for "visible" now uses checkbox

Replaces pulldown that had text options.

Change-Id: I68a8a202dc24b5638defe9b7df2f3385a830e3c3