prefer the more common Object.create( Object.prototype ) to Object.create( null )
prefer the standard event.target to event.originalTarget and event.srcElement
remove syntax error
name the lazy initialization pattern section by following the convention for the rest of the patterns
remove non-IFFE example from the IFFE example code
add self-executing examples next to IFFE examples
restore the context link between two IFFE code excerpts
Merge pull request #93 from dsbonev/small_improvements

Small improvements