Remove href from button
Add DOMBuilder#setAttr method
Add event wrapping feature

Used to preventDefault automatically by passing true as the third parameter
to #proxyEvent()
Relocate static methods to bottom
Add PasswordWidget#updateIndecators method
Use #updateIndecators
Add PasswordWidget#setMask method
fixup! Use #updateIndecators
Add PasswordWidget#showInfo method
Re-organize setInfo specs. Clean up redundent code.
Add spec for info button click
Clean up showHideButton callbacks
Clean up infoButton callbacks
Fix bad styles in CSS