Added PageShown and PageHidden Lifecycle callbacks

I also refactored some code, added and refactored tests
Merge remote-tracking branch 'upstream/master'
Corrected some textual explanations, added more "see also" links between the lifecycle annotations
Merge pull request #32 from w0mbat/master

Added PageShown and PageHidden Lifecycle callbacks
Make @Page and @Templated work with dynamic lookups by making them imply dependent scope via two new IOC extensions. Also, includes a test. =)
Merge branch 'master' into 3.0
rename references to IOCConfigProcessor
Removing unneeded .gc call
Implemented ERRAI-457: A single DataBinder instance should support binding a bean property to multiple widgets