Merge pull request #638 from bvirlet/master

Improve us of images in QRadioElement
Adds back the delegate class so we can overview when cells and headers appear
Minor UI updates to cells
Minor fixes to binding evaluator
Adds new inline date time editor
Rounds dates when not date picker uses only Date mode.
Include cell inset when calculating width.
Major fixes to QD
all elements now contain a weak link to the view controller
binding is by default shallow now; there's a new property called shallowBind on QElements that can bypass that
Several bug fixes
Several bug fixes for version 1.0
Podspec update to v1.0
fixed bug when initializing from json; added init method with default float value 0.0
Merge pull request #650 from luiza-cicone/master

fixed bug when initializing QFloatElement from json
Merge pull request #646 from luketheobscure/master

Include cell inset when calculating width.
accessory view bug fixed. prepare for element was trying to add accessory view to text field only when text field is nil.
imageNamed:nil reports log error in xcode 5, check this before setting image names
Merge pull request #652 from StDogbert/QEntryTableViewCellAccessoryViewBugFix

accessory view bug fixed.
Merge pull request #653 from robraux/invalid-asset

imageNamed:nil reports log error in xcode 5
Add ability to add image to QTextElement