Merge pull request #56 from mightyplow/dev

* added recognition of ios version number and browser version
fixed IE8 compatibility
fixed placeholder shim in Input
Merge remote-tracking branch 'origin/dev' into dev
added _beforeModelFetch hook
fixed context determination in rest handler when id is empty
fixed setting updated date of authentication when authenticating via token
fixed operator modification in MongoQueryComposer
added some comments to Collection
removed $ parameter in isValid method
added doc for init method in Entity
added more documentation to Entity
fixed rendering of target and title in Link
added rows to TextArea field
removed composing of href field in MongoDataSource
migrated initialize function from AppClass template to defaults
fixed path binding for function annotations
fixed SegementedView
updated docs
Merge remote-tracking branch 'origin/dev' into dev