Merge remote-tracking branch 'origin/develop' into nscreen

Merge remote-tracking branch 'origin/develop' into nscreen

* origin/develop: (33 commits)
  ANIMATOR : Bug fix for loading animation Serailize & Deserailize boolean variable whether predefined or not for Keyframe
  NSCREEN : nscreen debug log added, viewport fixed 1. add nscreen hidden log added 1-1. css layer and viewport log (on/off available) 2. viewport sync(between designer and source) added.
  DATABIND: update the descriptors a. add attrhref type in the tizen.types.xml b. add ID_OF_DATABINDING_ATTR_HREF in TypeDescriptor.java and DescriptorManager.java c. add attrhref binding for the link widget
  ANIMATOR : Convert milliseconds and position This is for compute milliseconds and convert time to position, position to time.
  PROP : Fix setCssStyleCommand undo bug. And advanced refresh on HoverViewerEditPart.
  DATABIND: bug fixed (databinding view)
  Merge remote-tracking branch 'origin/mw' into develop
  ANIMATOR : Bug fix for opacity property Modify opacity realted point proloem and change type to double when calculate interpolaved value
  DESIGNER : code refactoring
  DATABIND: Modify the width of the set target dialog
  DATABIND : add the icon in the databinding view
  DATABIND: modify the rename functions
  Show MetricsMethod on Ubuntu.And fix set background color problem on MetricsMethod.
  ANIMATOR : Get default property value from CSSProperties.xml
  ANIMATOR : Change TreeItem Height Changing for treeItem height size and multiplatform.
  DESIGNER : move/resize unit to be changed 10 -> 3
  DESIGNER : move/resize unit to be changed 10 -> 3
  PROP : fix, when edit the CSS, NPE occurs intermittently
  UIB : Fix NPE.
  PAGES: Add Delete Page action to delete pages on Pages view. Modified flow of adding pages and deleting pages while Delete Page action is added.
  ...

Change-Id: Ic15ec4f8f3c7873074cab24af5923ce995acc6af
Signed-off-by: yonghwan82.jeon <yonghwan82.jeon@samsung.com>